Pennetta won ten other WTA singles titles, including the 2014 Indian Wells Masters, in which she defeated the top two seeds, both of whom were ranked in the top 3. She also was a mainstay in the Fed Cup team competition, helping to win four titles for Italy in 2006, 2009, 2010, and 2013. Her highlights in doubles include winning the 2010 WTA Finals and the 2011 Australian Open with partner Gisela Dulko, and reaching the 2005 and 2014 US Open finals, partnering respectively with Elena Dementieva and Martina Hingis.
After winning the 2015 US Open, Pennetta announced she would retire at the end of the season. She then earned a spot in the WTA Finals for the first time, where she defeated eventual champion Agnieszka Radwańska in the round-robin stage, and retired with a top 10 ranking. Throughout her career she defeated many other Grand Slam champions: Justine Henin, Mary Pierce, Martina Hingis, Amélie Mauresmo, Svetlana Kuznetsova, Victoria Azarenka, Samantha Stosur, Li Na, Petra Kvitová, Maria Sharapova, and Venus Williams in three consecutive meetings.
Pennetta was pronounced a Knight of Order of Merit of the Republic on 24 January 2007 by Carlo Azeglio Ciampi, then President of Italy.
Pennetta was introduced to tennis at the age of five by her father. At age seventeen, she won the 1999 French Open in girls' doubles with fellow Italian Roberta Vinci.
Pennetta began to play on the International Tennis Federation (ITF) circuit in 1997. The following year, she lost in the second round of her first qualifying tournament for a WTA Tour main draw, the Internazionali Femminili di Palermo. In 1999, Pennetta won two singles titles and two doubles titles on the ITF circuit. She was unsuccessful in her several attempts to qualify for WTA Tour main draws in 2000. The following year, she limited her play to the ITF circuit.
She played her first main draw WTA Tour match at the 2002 Cellular South Cup in Memphis, Tennessee, where she lost in the first round. She also lost in the first round in Palermo, but reached the second round of the Idea Prokom Open in Sopot. Her ranking reached the top 100 for the first time on 23 September 2002, when she reached no. 100.
In 2003, Pennetta lost in the semifinals of the Hyderabad Open to eventual champion Tamarine Tanasugarn. She also reached the quarterfinals at the Canberra Women's Classic, Copa Colsanitas, and Abierto Mexicano Telcel. She debuted in the main draws of all four Grand Slam tournaments. Her best result was the third round of the Roland Garros, where she defeated 21st-seeded American Lisa Raymond in the second round, before losing to Hungary's Petra Mandula.
Pennetta started the year at the Tier V Canberra Women's Classic, where she lost in the quarterfinals to Julia Vakulenko. At the Australian Open, she lost in the first round to Italian Antonella Serra Zanetti in straight sets.
Pennetta then lost in the first round of both the Cellular South Cup in Memphis, Tennessee and the Copa Colsanitas in Bogotá, Colombia. These losses were followed by her first WTA Tour final at the Abierto Mexicano Telcel in Acapulco, where she was defeated by Iveta Benešová.
She played both of the Tier I springtime hard-court tournaments in the United States. She beat Ľudmila Cervanová in the first round of the Pacific Life Open in Indian Wells, California before losing to Maria Sharapova. She then lost in the first round of qualifying for the NASDAQ-100 Open in Key Biscayne, Florida.
Returning to clay courts, Pennetta lost in the second round of two consecutive WTA tour tournaments, the Grand Prix SAR La Princesse Lalla Meryem in Casablanca and the Estoril Open in Portugal. At the Budapest Grand Prix, Pennetta lost in the semifinals to eventual champion Jelena Janković in straight sets. She then defeated world no. 6 Nadia Petrova in the second round of the Internazionali BNL d'Italia in Rome before falling to world No. 21 Anna Smashnova-Pistolesi in the third round. At the French Open, Pennetta lost in the first round, once more to Smashnova-Pistolesi in straight sets.
In the first grass-court tournament of her career, she defeated Marion Bartoli in the first round of the DFS Classic in Birmingham, West Midlands, before losing to world no. 32 Alicia Molik in the second round. Pennetta achieved the same result at the Ordina Open, falling to world no. 85 Barbara Schett. At Wimbledon, she was beaten by Petrova in the first round in three sets.
In July, she played yet another clay court tournament, where she was beaten in the final of the Internazionali Femminili di Palermo by Anabel Medina Garrigues. Returning to hard courts for the first time since April, she lost to Henrieta Nagyová in the first round of the Nordea Nordic Light Open in Stockholm. The following week at the clay court Orange Prokom Open in Sopot, Poland, Pennetta won her first WTA Tour title, defeating Klára Koukalová in the final. Pennetta then lost to former World No. 1 Lindsay Davenport in the quarterfinals of the Western & Southern Financial Group Women's Open in Cincinnati and to world No. 25 Magdalena Maleeva in the first round of the US Open 6–2, 4–6, 4–6.
Pennetta played four tournaments the remainder of the year. At the Wismilak International in Bali, Pennetta lost in the second round to eventual quarterfinalist Gisela Dulko. She then fell to María Vento-Kabchi in the first round of the China Open in Beijing and to Tamarine Tanasugarn in the second round of the Guangzhou International Women's Open. In her final event of the year, she lost to world No. 14 Ai Sugiyama in the second round of the Tier I Zürich Open 6–7(1), 1–6.
In Pennetta's first event of the year, she reached the quarterfinals of the Uncle Tobys Hardcourts losing to Tatiana Golovin in three sets. She then lost in the first rounds of the Australian Open and the Open Gaz de France. In the next two weeks she won two titles in a row, the first one Copa Colsanitas defeating Lourdes Domínguez Lino in the finals 7–6(4), 6–4 and the second one in the Abierto Mexicano Telcel defeating Ľudmila Cervanová in three sets. Pennetta lost early in her next tournaments. The second rounds of the Pacific Life Open, the Qatar Total German Open and the Rome Masters. She also lost in the first round of the Estoril Open and the third rounds of the Miami Masters and the French Open. She bounced back in the Wimbledon Championships by reaching the fourth round losing to Mary Pierce in straight sets and the semifinals of both the Internazionali di Modena and the Internazionali Femminili di Palermo which were held in Italy. She followed it up with losses to Japanese players Akiko Morigami in Acura Classic and Aiko Nakamura in JPMorgan Chase Open. In the Rogers Cup she was crushed by eventual champion Kim Clijsters 6–0, 6–1. In the US Open she was upset by German Julia Schruff in the first round. She also lost early in the China Open in the first round and the Kremlin Cup in the second round to eventual champion Mary Pierce. She ended the year with quarterfinal appearances in the Wismilak International, the Porsche Tennis Grand Prix, and the Zurich Open. She ended the year ranked No. 23 in the world.
Flavia had a good start to the 2006 season, finishing runner-up at Gold Coast against Lucie Šafářová. At Sydney, she was defeated by Li Na in the first round. Going into the Australian Open, Pennetta defeated Cara Black and Martina Suchá, before falling to Nicole Vaidišová in the third round. At Paris, she was upset by rising star Sania Mirza in two sets.
Pennetta started to pick up her pace as the season went on, with two runner-up showings at Bogotá and Acapulco, losing to Lourdes Domínguez Lino and Anna-Lena Grönefeld, respectively.
Pennetta begun 2007 with three first-round loses at Gold Coast, Hobart and the Australian Open, falling to Maria Kirilenko, Aiko Nakamura and Kaia Kanepi, respectively.
Her next two tournaments went well, as she has a semifinal showing at Bogotá (falling to Roberta Vinci) and made it all the way to the final of Acapulco, where she lost to Émilie Loit. Then she lost four straight matches at Indian Wells, Miami, Amelia Island and Charleston. She managed to take a win from Arantxa Parra Santonja at Éstoril before getting overpowered by Gisela Dulko. Then came another streak of first round losses – at Berlin, Rome, and the French Open.
At Barcelona, Flavia made it to the semis, where she was beaten by Meghann Shaughnessy. Then at 's-Hertogenbosch, she defeated Karin Knapp and Tatjana Malek to make it to the quarterfinals, where she lost to Dinara Safina. She was eliminated in the first round of the Wimbledon Championships.
She made it to the semifinals of Biella, falling to Agnieszka Radwańska.
Pennetta started the year by losing in the second round of the Mondial Australian Women's Hardcourts in Gold Coast to Dinara Safina. Pennetta then reached the semifinals of the Moorilla Hobart International, where she lost to eventual champion Eleni Daniilidou. At the Australian Open, she defeated Dominika Cibulková in the first round but fell to the 30th-seeded Virginie Razzano in the second round. Pennetta then played for Italy's Fed Cup team versus Spain. She played one singles match versus Anabel Medina Garrigues and lost. Pennetta won her first title of the year at the Cachantún Cup in Viña del Mar, Chile, defeating Klára Zakopalová in the final. However, she lost in the first round of the Copa Colsanitas to Betina Jozami. Pennetta then won her second title of the year at the Acapulco Open, beating Alizé Cornet in the final.
As the 30th seed, Pennetta received a bye in the first round of the Pacific Life Open. She then defeated Kaia Kanepi in the second round, but was defeated by fellow Italian Francesca Schiavone in the third round. She also fell to defending champion Serena Williams at the Sony Ericsson Open in Key Biscayne in the third round. Pennetta then lost in the second round of the Estoril Open to Iveta Benešová. Pennetta defeated Olga Savchuk in the first round of the Internazionali BNL d'Italia in Rome before losing to defending champion Jelena Janković in the second round. She then withdrew from her quarterfinal match against Anabel Medina Garrigues at the Internationaux de Strasbourg. At the French Open, Pennetta defeated eighth-seeded Venus Williams in the third round, before losing to Carla Suárez Navarro in the fourth round.
Pennetta lost in the first round of her first tournament on grass at the Ordina Open, to Sania Mirza. She then defeated Julia Vakulenko in the first round of Wimbledon, before losing to Ai Sugiyama in the second round. She then played at the Internazionali Femminili di Palermo and lost to eventual champion, fellow Italian Sara Errani, in the semifinals. Pennetta then lost in the final of the East West Bank Classic in Los Angeles to Dinara Safina. At the following tournament, the Rogers Cup, Pennetta was defeated by a qualifier, Michelle Larcher de Brito, in the second round. She was then the part of the Italian Olympic team at the Summer Olympics in Beijing; however lost to Kaia Kanepi in the first round. Pennetta also reached the second round of the Pilot Pen Tennis tournament in New Haven, Connecticut. At the US Open, she defeated Stefanie Vögele in the first round, Peng Shuai in the second round, former world No. 3 Nadia Petrova in the third round, and former world No. 1 Amélie Mauresmo in the fourth round, before losing to Safina in the quarterfinals. That was Pennetta's best singeles performance at a Grand Slam tournament.
Pennetta then reached the quarterfinals of Commonwealth Bank Tennis Classic in Bali, losing to eventual runner-up Tamira Paszek. At the Toray Pan Pacific Open in Tokyo, she lost in the quarterfinals to former world No. 1 Jelena Janković. Pennetta then lost to Kateryna Bondarenko in the first round of the Porsche Tennis Grand Prix; to world No. 1 Janković in the quarterfinals of the Kremlin Cup in Moscow; and to Venus Williams in the final of the Zürich Open. At her last tournament of the year, the Generali Linz Open, Pennetta defeated Ágnes Szávay in the first round and Dominika Cibulková in the second round before losing to former world No. 1 and eventual champion Ana Ivanovic in the quarterfinals.
Pennetta played her first tournament of the year at the Moorilla Hobart International (actually it was at the Hyundai Hopman Cup), where she was the first seed. She defeated Shahar Pe'er in the first round and then fell to Magdaléna Rybáriková in the second round. Pennetta was the thirteenth seed at the Australian Open, where she lost in the third round to Anabel Medina Garrigues. Pennetta then played for Italy's Fed Cup team in the Fed Cup World Group stage versus France. Italy won 5–0. Pennetta won both her singles matches over Amélie Mauresmo and Alizé Cornet. At her first tournament of the year on clay, the Copa Sony Ericsson Colsanitas in Bogotá, Colombia, Pennetta fell to Maša Zec Peškirič in the first round. She reached the final of the Abierto Mexicano Telcel in Acapulco for the sixth straight year but lost to Venus Williams in two sets. Returning to hard courts at the Monterrey Open, Pennetta lost to Barbora Záhlavová-Strýcová in the second round. She was the fifteenth seed at the BNP Paribas Open in Indian Wells, the first Premier Mandatory event of the year, and lost in the fourth round to eventual runner-up Ana Ivanovic in a three-set match. Pennetta lost in the third round of the Sony Ericsson Open in Key Biscayne, another Premier Mandatory event, to Mauresmo.
Pennetta then played a series of clay court events in preparation for the French Open. She lost to fellow Italian Roberta Vinci in the second round of the Barcelona Ladies Open. She then played two matches for Italy's Fed Cup team in the World Group semifinals versus reigning champion Russia. She defeated Anna Chakvetadze and lost to Svetlana Kuznetsova, but the final result was 4–1 in favor of Italy. This will be the second Fed Cup final for Pennetta. The following week, she reached the semifinals of the Porsche Tennis Grand Prix in Stuttgart beating two top 10 players, Jelena Janković and Nadia Petrova, but fell to World No. 1 player Dinara Safina in three sets. At the Internazionali BNL d'Italia in Rome, a Premier 5 event, Pennetta lost in the third round to Kuznetsova, 6–0 in the third set. The following week, she was upset by Ágnes Szávay in the first round of the Mutua Madrileña Madrid Open, the third Premier Mandatory event of the year, losing in three sets. Pennetta, seeded 11th, lost in the first round of the 2009 French Open to Alexa Glatch. At Wimbledon, she advanced to the third round where she was ousted by the No. 17 Amélie Mauresmo in straight sets. Pennetta then played on her home soil in Palermo, defeating Sara Errani in the final in two sets. She and partner Vinci advanced to the semifinals in doubles. On the hard courts of Los Angeles, Pennetta upset Vera Zvonareva en route to the semifinals where she would be extended to three sets by Maria Sharapova. In her second consecutive final at the event, she defeated Samantha Stosur in two sets. At Cincinnati, a premier 5 event, she extended her winning streak to 15 matches, maintaining an impressive record against Venus Williams, whom she beat in two sets. By virtue of her defeat over Daniela Hantuchová in the quarterfinals, she rose into the Top 10 for the first time in her career, the first Italian woman ever to do so. Her run ended after a straight sets defeat against world No. 1 Dinara Safina in the semis.
Pennetta was seeded 12th at Toronto but lost to Virginie Razzano in the second round. Her next tournament was New Haven, where she lost in the semis to Caroline Wozniacki. Pennetta started the 2009 US Open with a win over Edina Gallovits in two sets. In the second round, she double-bageled Sania Mirza 6–0, 6–0. She advanced to the fourth round after a straight-sets victory against Aleksandra Wozniak. She played Vera Zvonareva in the fourth round, and saved four match points at her serve at 5–6 in the second set; and then saved another two in the second set tie-break, before winning the final sets to love. She was defeated by Serena Williams in the quarterfinals in straight sets. After the US Open, Pennetta then lost again to Roberta Vinci in the first round of the Toray Pan Pacific Open in Tokyo. At the China Open, Pennetta made the quarterfinal, losing to Zvonareva 5–7 in the third set. As the top seed at Generali Ladies Linz tournament in Linz, Pennetta lost in the semi finals to third seed Yanina Wickmayer in straight sets. In the following week, Pennetta was forced to retire at with a knee injury in the opening round.
Pennetta started her season at the ASB Classic in Auckland as the number one seed where she defeated Jill Craybas, Carla Suárez Navarro, Dominika Cibulková, and Francesca Schiavone in the semifinals. She lost to third seed Yanina Wickmayer. In the Medibank International she notched up two top-20 wins over Samantha Stosur and Li Na, before losing to unseeded Aravane Rezaï in the quarterfinals. At the first Grand Slam of the year, Pennetta was the 12th seed. In the opening round she defeated former top-10 player Anna Chakvetadze, before falling in the second round to qualifier and world No. 16 Yanina Wickmayer. The loss was her third consecutive straight-set loss to Wickmayer. Pennetta was selected for Italy's first Fed Cup tie against Ukraine. She won both her singles matches in straight sets against the Bondarenko sisters to set up a 4–1 away victory in the tie. Pennetta received a wild card into Open GDF Suez in Paris where she was the second seed. After receiving a first-round bye she defeated Alisa Kleybanova and Tathiana Garbin to reach the semifinals, where she fell in three sets to Lucie Šafářová.
At the Dubai Tennis Championships, Pennetta advanced to the third round, losing to seventh seed Agnieszka Radwańska. Pennetta was forced to withdrew from the Abierto Mexicano Telcel due to a hip injury. Pennetta suffered two early upset defeats at the two premier events BNP Paribas Open in Indian Wells and Miami. After receiving first-round byes, Pennetta lost in the third round of Indian Wells to Shahar Pe'er and in the second round of Miami to Andrea Petkovic. Despite her poor singles result in Miami, Pennetta was able to win the doubles title in Miami partnering with Gisela Dulko and defeating Samantha Stosur and Nadia Petrova in the final. At the 2010 Andalucia Tennis Experience, Pennetta won her first title of the year advancing to the finals without dropping a set and defeating Carla Suárez Navarro in the final.
At the 2010 French Open, Pennetta was seeded 14th. She defeated Anne Keothavong, Roberta Vinci, and Polona Hercog in the first three rounds. She was eliminated by third seed Caroline Wozniacki in the round of 16. However, her performance moved her ranking back into the top 10, matching her career-high of world no. 10. This, in combination with countrywoman's Francesca Schiavone winning the French Open, meant that in the week of 7 June 2010, two Italian woman were in the top 10 (Schiavone at world no. 6) at the same time for the first time. Pennetta was seeded 10th at the 2010 Wimbledon Championships. She advanced to the third round, where she fell to Klára Zakopalová. She was seeded fifth at the 2010 Mercury Insurance Open in San Diego. In the quarterfinals, she defeated Sam Stosur to advance to the semifinals, where she fell to Svetlana Kuznetsova.
Pennetta began her year at the 2011 Medibank International Sydney, where in her first match she defeated qualifier Lucie Hradecká. In the second round, Flavia went on to defeat world No. 2 Vera Zvonareva in a tough match. She went on to lose to Bojana Jovanovski in the quarterfinals.
At the 2011 Australian Open, Pennetta won her first-round match against Anastasia Rodionova. In her second-round match, she defeated Lourdes Domínguez Lino. In her third round match, Pennetta came up victorious against Shahar Pe'er in a three-set battle, in which she rallied from deficits several times. She lost to Czech player Petra Kvitová in the fourth round. She did, however, capture her first career Grand Slam doubles title in the Doubles competition, again partnering with Dulko and beating Victoria Azarenka and Maria Kirilenko in the final. In the Fed Cup, she helped two-time reigning champion Italy defeat Australia with wins in two singles rubbers over Samantha Stosur and Jarmila Groth.
At the Dubai Tennis Championships, Pennetta was seeded 11th. In the first round, she defeated wildcard Jelena Dokić. She advanced to the semifinal after defeating Klára Zakopalová, Victoria Azarenka, and Alisa Kleybanova respectively. However, there she was defeated by Svetlana Kuznetsova.
As the 21st seed at the 2011 Wimbledon Championships, Pennetta eased past Chanelle Scheepers of South Africa in two sets before seeing off Evgeniya Rodina of Russia to reach to the third round. She then fell to Marion Bartoli of France in a close match with Bartoli edging the win in three sets.
On 28 February, Pennetta became the first Italian tennis player (male or female) to be ranked world No. 1 in doubles.
Pennetta was the 26th seed at the 2011 US Open. She defeated Aravane Rezaï, Romina Oprandi, third seed Maria Sharapova, and 13th seed Peng Shuai in straight sets, to reach the US Open quarterfinals for the third time, where she lost to Angelique Kerber.
Pennetta's next tournament was the Tokyo Japan Open, where she was eliminated in the first round by Kaia Kanepi after a three-set match. At Beijing, Pennetta made it to the semifinals, beating the defending champion and world No. 1 Caroline Wozniacki in three sets, before losing to Agnieszka Radwańska in straight sets.
Pennetta retired against Zheng Jie in final of the ASB Classic. At the Australian Open, she lost to Nina Bratchikova in round 1. She then reached the second round at Doha and Dubai, losing on both occasions to Kateryna Bondarenko and Jelena Janković respectively. Pennetta then reached the final at Acapulco, where she lost to fellow Italian Sara Errani.
During the North American hard-court swing, Pennetta reached the third round at Indian Wells, losing to Agnieszka Radwańska. Then at the 2012 Sony Ericsson Open, she lost to wildcard Garbiñe Muguruza in the third round. At the 2012 Barcelona Ladies Open, Pennetta, the fifth seed, lost to Ukrainian Yuliya Beygelzimer in the second round. Unseeded at the Rome Masters, Pennetta reached the quarterfinals after defeating Maria Kirilenko, Sloane Stephens, and Petra Cetkovská. She then lost to Serena Williams. At the 2012 French Open, she reached the third round, where she lost to eventual quarterfinalist Angelique Kerber.
Pennetta kicked off the grass court season with a second-round appearance at the 2012 UNICEF Open, losing to Urszula Radwańska. At Wimbledon, she fell to Camila Giorgi in round 1. At the Olympics, Pennetta defeated Sorana Cîrstea and Tsvetana Pironkova before losing to Czech Petra Kvitová in round 3. At the Montreal, Pennetta lost to Chanelle Scheepers in the second round after receiving a first-round bye. Pennetta did not play the US Open due to injury. On August 27, 2012, Pennetta underwent surgical cleaning of her right wrist, performed by the doctor who has treated Rafael Nadal.
Pennetta returned to competition at the 2013 Copa Colsanitas in Colombia ranked 60th. She lost to Lara Arruabarrena in the second round. The following week, she fell to Lourdes Domínguez Lino in the first round at the 2013 Abierto Mexicano Telcel where she was finalist the year before. She then lost to Francesca Schiavone in the first round at Indian Wells. At the 2013 Sony Open Tennis, Pennetta defeated Johanna Larsson in round 1 before losing to world No. 1 Serena Williams.
Pennetta lost in the first round at Madrid and Rome to Kaia Kanepi and Sloane Stephens respectively. The week before the French Open, Pennetta qualified for the 2013 Internationaux de Strasbourg and reached the semifinals where she lost to Lucie Hradecká. At the French Open, she lost to Kirsten Flipkens in the first round. Pennetta had a breakthrough at Wimbledon where she advanced to the 4th round for the first time in more than five years. She defeated Elena Baltacha in her opening match before receiving a walkover from Victoria Azarenka in the second round. She then went on to defeat Alizé Cornet in three sets before losing to Flipkens again. Pennetta then reached the semis at Båstad. She lost to eventual finalist Larsson.
During the US Open series, Pennetta fell in the first round at the 2013 Southern California Open to Schiavone. At the 2013 Rogers Cup in Toronto, she defeated Urszula Radwańska in the first round. She then lost to the 16th seed Ana Ivanovic. The following week in Cincinnati, she lost to American Varvara Lepchenko in the first round. Pennetta was ranked 83rd entering the 2013 US Open and she reached her first Grand Slam singles semi-final, defeating higher-ranked opponents such as Sara Errani, Svetlana Kuznetsova, Simona Halep and Roberta Vinci in early rounds before succumbing to world No. 2 Victoria Azarenka in the semi-finals.
In September, Pennetta reached the second round at Tokyo after defeating Slovak Daniela Hantuchová. She then lost to Caroline Wozniacki. At the China Open, she drew Ivanovic in the first round, and lost in straight sets. At the 2013 HP Open, she lost to Vania King in the first round. Pairing with Kristina Mladenovic, she won the doubles title, defeating Samantha Stosur and Zhang Shuai in the final.
As the 28th seed Pennetta reached the quarterfinals at 2014 Australian Open, having defeated Angelique Kerber in the fourth round. She lost to Li Na, who then went on to win the tournament. Pennetta then suffered a shocking first round defeat to Hsieh Su-wei in Doha. In Dubai she reached main draw and then defeated Kaia Kanepi and 2nd seed Agnieszka Radwańska, before losing the match against Venus Williams in quarterfinals. Pennetta then won the biggest title of her career at the 2014 BNP Paribas Open when she defeated Radwańska in the final. She had defeated top seed Li Na en route to the final. At the 2014 Sony Open Tennis in Miami, Pennetta lost to Ana Ivanovic in the third round. The following week at Monterrey, Pennetta the top seed lost her opener to Kimiko Date-Krumm.
During the clay-court season, Pennetta reached the second round at Stuttgart, where she lost to Jelena Janković. At the 2014 Mutua Madrid Open, Pennetta fell in round 1 to Czech Lucie Šafářová. Playing in front of her home crowd at the 2014 Internazionali BNL d'Italia, she reached the third round after defeating Yvonne Meusburger and Belinda Bencic. She subsequently lost to Janković again. At Roland Garros, Pennetta lost to Johanna Larsson in the second round. Pennetta reached the second round at Eastbourne where she lost to local girl Heather Watson. In doubles, she partnered with Martina Hingis and they reached the final, losing to the Chan sisters. At the 2014 Wimbledon Championships, Pennetta lost to American Lauren Davis in the second round.
Pennetta kicked off her US Open series campaign with a first round to Kazakh Yulia Putintseva at Montreal. The following week, she reached the third round at the 2014 Western & Southern Open in Cincinnati where she lost to Serena Williams. Pennetta then reached her fifth US Open quarterfinal after defeating Casey Dellacqua in the 4th round. She succumbed to Serena once again in the last eight despite having an early lead. In doubles, she partnered with Hingis and they reached the final, losing to Russian duo Ekaterina Makarova and Elena Vesnina in three sets.
In October, Pennetta was seeded 15th at the 2014 Wuhan Open; she lost in the first round to Jarmila Gajdošová in straight sets, but won the doubles tournament with Hingis. At the China Open, she defeated Christina McHale in the first round before succumbing to Carla Suárez Navarro in three sets. As the third seed in Moscow, Pennetta once again suffered an opening round loss to Camila Giorgi. She received a wildcard to play in Sofia after the withdrawal of Janković. She turned things around by reaching the final, her second of 2014. In the round robin stage she overcame Alizé Cornet and Karolína Plíšková in straight sets. She also suffered a loss to Garbiñe Muguruza, despite winning the first set 6–0. Accumulating a record of 2–1, she advanced to the semifinal for the first time since Indian Wells in March where she avenged her loss to Suarez Navarro, claiming the victory in straight sets. She ran out of steam in the final, falling to Andrea Petkovic in 3 sets, having won the first set 6–1.
The 2015 season started slowly for Pennetta. During the Hopman Cup, she "bagelled" Serena Williams before ultimately losing the match. In the Australian Open she lost to compatriot Camila Giorgi in the first round, failing to defend her quarterfinalist points from 2014. In the Dubai premier event she reached the quarterfinals, where she lost to Caroline Wozniacki. As the defending champion at Indian Wells, she managed to reach the quarterfinals, beating Madison Brengle, Samantha Stosur, and world No. 2 Maria Sharapova. She lost to Sabine Lisicki in three close sets despite having three match points. At the Miami Open she continued this run, by defeating former world No. 1 Victoria Azarenka, before falling to Simona Halep in the round of 16 in straight sets despite leading 5–2 in the second set.
Pennetta had mixed results during the clay season. She made it to the quarterfinals in Marrakech, losing to eventual finalist Tímea Babos in three sets. She suffered early exits at both Madrid and Rome to Andrea Petkovic and Elina Svitolina respectively. Pennetta equalled her best result at the French Open by reaching the fourth round. She beat Carla Suárez Navarro for her second Top 10 win before losing to Garbiñe Muguruza in straight sets.
Pennetta went winless during the grass season. She lost in Eastbourne to Svetlana Kuznetsova and at Wimbledon to Zarina Diyas.
In Toronto, Pennetta lost in the second round to Serena Williams in three sets. This was the first time since 2008 that Pennetta had won a set against Williams. At Cincinnati, Pennetta beat former Top 10 player, Dominika Cibulková before losing to newly crowned Toronto champion Belinda Bencic in straight sets. In New Haven, Pennetta lost in the first round to last year's finalist, Magdaléna Rybáriková in three sets.
Pennetta then played at the US Open as the 26th seed. She made it to the quarterfinals for the sixth time in the last seven years by beating Jarmila Gajdošová, Monica Niculescu, Petra Cetkovská and 2011 champion, Samantha Stosur. In the quarterfinals, she came up against two-time Wimbledon champion Petra Kvitová. Pennetta won the match in three sets, after having trailed 1–3 in the second set, to advance to her second US Open semifinal. She then defeated second seed Simona Halep in straight sets to advance to her first Grand Slam final. Pennetta faced fellow-countrywoman Roberta Vinci in the first-ever all-Italian Grand Slam final in the Open Era. Pennetta won the match in straight sets, claiming her first ever US Open title and her first Grand Slam title. During her acceptance speech she announced her retirement. In an interview with Eurosport after the match, Pennetta clarified that she would play out the rest of the season. By virtue of winning the US Open, Pennetta returned to the top 10 for the first time since September 2009. In the weeks following the US Open, she attained a new career-high ranking of No. 6. She qualified for the 2015 WTA Finals in Singapore, where she was defeated in the round robin, losing against Halep and defeating Agnieszka Radwańska before going down to Maria Sharapova in the last professional singles match of her career. Pennetta retired having won 28 WTA titles in total, including the US Open in singles and Australian Open and Tour Finals in doubles, reaching No. 6 in the world in singles and No. 1 in the world in doubles, and winning the Fed Cup four times between 2006 and 2013.
Flavia Pennetta was born on 25 February 1982 in Brindisi, to Oronzo and Concetta Pennetta. She has an older sister, Giorgia. She was introduced to tennis at the age of five, and has cited Monica Seles as her tennis idol. Pennetta previously dated Carlos Moyá. The two split in 2007, and she wrote of the traumatic breakup in her memoir Dritto al cuore (Straight to the Heart).
She began dating compatriot ATP tennis player Fabio Fognini in early 2014. Pennetta got engaged to Fognini in 2015 and the two were married in Ostuni in June 2016.
On December 15, 2016, they both announced that Pennetta was pregnant with their first child. Pennetta gave birth to a baby boy on May 19, 2017.Coach: former professional tennis player from Spain Salvador Navarro, who worked previously for David Ferrer and Tommy Robredo.
Racket: Wilson BLX Blade 98 16/19
Knight of Order of Merit of the Republic (24 January 2007)