Garcia's breakthrough in doubles stemmed from her partnership with Mladenovic in 2016. The pair won four titles together, the greatest of which is the 2016 French Open doubles title. The Frenchwomen are the 2016 Doubles Team of the Year.
Playing for France at the Fed Cup, Garcia has a win-loss record of 8–4 in singles and 5–1 in doubles. She was awarded a Heart Award for her sportsmanship, and led her country to the 2016 Fed Cup final, France's first final since 2005.
At the 2011 Australian Open, she earned a wild card and beat Varvara Lepchenko in the first round in her first appearance in the main draw of a WTA tournament. However, she lost to Ayumi Morita in the second round.
Garcia made entry into the 2011 French Open as a wild card. Garcia played Zuzana Ondrášková and defeated her in straight sets. In the second round, Garcia had a 6–3, 4–1, 15–0 lead against former No. 1 Maria Sharapova. Maria won eleven games in a row after being down 1–4 in the set. Caroline Garcia gained a lot of respect for her upcoming talent. Andy Murray said the following via Twitter account, "The girl Sharapova is playing is going to be number one in the world one day ... what a player".
At the 2013 Australian Open, Garcia lost in the first round to no. 47 Elena Vesnina. She then beat qualifier Yuliya Beygelzimer, before losing to eventual champion, Serena Williams, at the French Open. She qualified for Wimbledon. This marks the first Grand Slam for which she qualified; she received a wild card for the previous five. Caroline beat Zheng Jie in the first round, before losing again to Serena Williams in the second round.
She was ranked high enough to gain direct entry to the main draw of the US Open, and beat American wild card Shelby Rogers in the first round, before losing to 30th seed Laura Robson of Great Britain. Her first round win meant that Garcia reached the world's top 70 for the first time.
At the 2014 Sony Open Tennis tournament, Garcia was the only player to win a set against Serena Williams, as Williams was on her way toward winning her seventh title and setting the record for the most number of titles held by a man or woman at the tournament. At the 2014 Copa Claro Colsanitas in Bogotá, Colombia, Garcia won her maiden WTA tour singles title, beating the defending champion and former world No. 1 Jelena Janković, winning in straight sets.
At the Mutua Madrid Open in May, Garcia reached the quarterfinals of any Premier event for the first time, defeating Angelique Kerber in the first round after the German retired with a lower back injury, receiving a walkover from Maria Kirilenko after the Russian withdrew with a wrist injury, and then defeating tenth seed Sara Errani in three sets in the third round. She eventually lost to third seed Agnieszka Radwańska in the quarterfinals in three sets. Garcia lost in the first round of the 2014 French Open to Ana Ivanovic.
Garcia made the third round of the Wimbledon, eventually losing to Ekaterina Makarova. She lost early at the US Open to American Nicole Gibbs. Garcia rebounded at the 2014 Wuhan Open, defeating Venus Williams and Agnieszka Radwańska back to back, with a 7–6 score in the final-set tiebreak. She also defeated American CoCo Vandeweghe in straight sets to reach the quarterfinals, where she was defeated by eventual champion Petra Kvitová. Despite the loss, Garcia moved up to a career high of No. 36 in the rankings.
Garcia began her season at the Brisbane International where she lost in the first round to No.3 seed Angelique Kerber. She then played at the 2015 Australian Open where she beat No.27 seed Svetlana Kuznetsova and Stefanie Vögele before losing to Eugenie Bouchard in the third round. Ater her campaign, Garcia joined France's Fed Cup team for their tie against Italy. Despite losing to Sara Errani, Garcia managed to grab a win as she beat Camila Giorgi in three sets as her country advanced to the semifinals.
At the Dubai Tennis Championships, Garcia lost in the second round to Agnieszka Radwanska after beating qualifer Arina Rodionova in straight sets. She followed that with a run to the finals at the Mexican Open, receiving a walkover from Maria Sharapova in the semis as the Russian withdrew due to illness. She then lost to Timea Bacsinszky. Garcia also reached the finals of the Monterrey Open where she also was a runner-up to Bacsinszky. She grabbed her first win over former World No.1 Ana Ivanovic en route.
After receiving a first round-bye at Indian Wells, Garcia beat qualifer Polona Hercog before grabbing her second straight win over Ivanovic in three sets. She then lost to eventual semifinalist Sabine Lisicki.
Garcia represented France at the 2016 Hopman Cup alongside Kenny de Schepper. She was undefeated in her singles matches, beating Heather Watson, Sabine Lisicki, and eventual champion Daria Gavrilova. Garcia and de Schepper were beaten in all of their mixed doubles matches. At the Sydney International, Garcia defeated fellow French Kristina Mladenovic, but lost in three sets to eventual semifinalist Simona Halep. She then fell short in the first round of the Australian Open, losing to Barbora Strýcová in straight sets.
At the Fed Cup, however, Garcia rebounded and helped France in their tie against Italy, earning singles wins over Sara Errani and Camila Giorgi. In her next tournament, the Dubai Tennis Championships, she lost her singles semifinal match, defeating Anna Karolína Schmiedlová, Carla Suárez Navarro and Andrea Petkovic en route. Two weeks later, she reached her second WTA Tour singles semifinals of the year at the tournament in Monterrey, losing her semifinal match to Heather Watson. Garcia then lost in her opening match in Indian Wells to Christina McHale. Her next tournament was the Miami Open, where she beat Mirjana Lucic-Baroni and Andrea Petkovic before losing in three sets to eventual finalist Svetlana Kuznetsova.
She then played in Charleston, losing her 1st rd match to Irina-Camelia Begu. However, Garcia won the doubles title alongside fellow frenchwoman Kristina Mladenovic.
Playing for France in the Fed Cup semifinal, Garcia lost her first match against Kiki Bertens in staight sets, but managed to beat Arantxa Rus. France eventually won the tie after the doubles match, in which Garcia once again played with Mladenovic. Her next tournament was the Porsche Tennis Grand Prix, where, despite another 1st rd defeat in the singles to Monica Niculescu, she won another title in doubles with Mladenovic after beating No. 1 seeds Martina Hingis and Sania Mirza in the final.
In May, Garcia won her first Premier Mandatory/Premier 5 doubles title at the Madrid Open, partnering Mladenovic. In the same month, Garcia won the Internationaux de Strasbourg singles title by defeating Mirjana Lučić-Baroni in straight sets in the final, becoming only the third Frenchwoman to win the Internationaux de Strasbourg singles title since it became a WTA Tour event in 1987.
At the French Open, Garcia won the women's doubles event partnering Kristina Mladenovic, beating Ekaterina Makarova and Elena Vesnina in the final. It was the first Grand Slam women's doubles crown for Garcia and Mladenovic and they became the first all-French pair to win the French Open women's doubles title since Gail Chanfreau and Françoise Dürr in 1971.
On 19 June, Garcia won her second WTA singles title of 2016 and her first on grass by beating Anastasija Sevastova in straight sets in the final of the inaugural Mallorca Open. She had defeated a pair of former Wimbledon singles semifinalists in Ana Ivanovic and Kirsten Flipkens to reach the final. On 20 June, she returned to the top 32 of the WTA singles rankings and replaced Kristina Mladenovic as the French singles No.1.
Garcia participated in both the women's singles and women's doubles of the 2016 Summer Olympics. Garcia and Kristina Mladenovic, seeded no.2, lost in the first round of the women's doubles.
At the 2016 US Open, Garcia was seeded no. 25 in singles. She reached the third round of the draw, defeating Kiki Bertens and Katerina Siniakova before falling to the no. 4 seed, Agnieszka Radwanska. As a result, Garcia reached a career-high ranking of 24. In the doubles event, Garcia yet again partnered with Kristina Mladenovic. The Frenchwomen were the number 1 seed of the event. Garcia and Mladenovic reached the final, where they were defeated by Bethanie Mattek-Sands and Lucie Safarova. As a result of reaching the final, Garcia and Mladenovic qualified for the 2016 WTA Finals. They were the second doubles team to qualify.
Garcia kicked off the Asian swing at the Wuhan Open. She was scheduled to play singles at the Guangzhou Open one week earlier, but withdrew before the tournament started. In Wuhan, Garcia played in both singles and doubles. In singles, she was defeated in the second round by no. 8 seed Madison Keys. In doubles, Garcia and Mladenovic, the No. 1 seeds, lost their opening second round to Christina McHale and Peng Shuai. Next, at the China Open, Garcia reached the third round of the singles draw, before falling to Daria Gavrilova. In doubles, she was once again seeded no. 1 with Mladenovic. The French team fought their way to the final, defeating no. 3 seeds Chan Hao-ching and Chan Yung-jan in the semifinals. This was Garcia and Mladenovic's eighth final together. They would end up losing to Bethanie Mattek-Sands and Lucie Safarova, the US Open champions.
Garcia ended her run in Asia at the Hong Kong Tennis Open, where she was seeded no. 5 in singles. She passed the first round before losing to her doubles rival, Bethanie Mattek-Sands, in the second round.
Garcia played singles at her last regular-season tournament of the year, the Luxembourg Open, where she was seeded 4th. She had a hard-fought match against Anett Kontaveit, and just barely won. She was then defeated by Andrea Petkovic.
Garcia and Mladenovic received the WTA Award for Best Doubles Team of the Year shortly before the start of the WTA Finals. Garcia also won the Heart Award for the Fed Cup World Group Semifinals stage. At the Finals, Garcia and Mladenovic started strong, defeating Julia Görges and Karolína Plíšková in the quarterfinals. However, in the semifinals, they were once again defeated by their rivals, Bethanie Mattek-Sands and Lucie Safarova. Garcia and Mladenovic missed the chance to become the WTA year-end doubles world no 1s.
Garcia made a last-minute appearance at the WTA Elite Trophy. She was originally one place short of qualifying, but was able to join the tournament when Venus Williams withdrew. She played in the Azalea Group against Johanna Konta and Samantha Stosur. Garcia won her first match against Stosur, 6-4, 6-3. She then lost her second match against Konta, the top seed, and thus did not reach the semifinals. However, she walked away with a year-end ranking of 23, her best ranking yet.
Garcia played in the Fed Cup final in November against the Czech Republic. She defeated two-time Wimbledon champion Petra Kvitova, then upset US Open finalist and Czech no. 1 Karolína Plíšková. Unfortunately, Garcia and Mladenovic then lost their doubles rubber against Pliskova and Barbora Strycova, which meant that the Czech won the Fed Cup final 3-2.
In December, Garcia and Mladenovic were named the doubles ITF World Champions of 2016.
During the off-season, Garcia announced that she would not play in the 2017 Fed Cup, explaining that she wanted to focus on her singles career.
Garcia's first tournament of the year is the Australian Open (which she entered as the 21st seed). In the first round of singles, she drew Kateryna Bondarenko, and defeated her in straight sets. In the second round, she faced countrywoman Océane Dodin. Garcia lost the first set to Dodin, but rallied back to win the match. She then lost in the third round to Barbora Strycova. In doubles, Garcia reunites with Kristina Mladenovic, the French duo being the top seed of the tournament. The pair won their first three matches to advance to the quarterfinals, in which they defeated Ashleigh Barty and Casey Dellacqua. Garcia and Mladenovic then lost in the semifinals to Andrea Hlavackova and Peng Shuai.
Garcia moved on to the Taiwan Open, in which she was seeded No. 3. She won her opening match against Marina Erakovic, setting up an encounter with Mandy Minella in the second round, which she lost in straight sets. At the Qatar Open, Garcia won her first match against the American Madison Brengle before falling comprehensibly to the world no. 3, Karolína Plíšková.At the Dubai Tennis Championships, Garcia was seeded no. 15. She defeated Johanna Larsson in the first round, but lost to Olympic gold medalist Monica Puig in the second. Garcia's misfortune continued in Kuala Lumpur, where she lost in the first round to Anna Kalinskaya.
Wanting to focus on her singles success, Garcia ended her partnership with Kristina Mladenovic. However, she still played doubles at the BNP Paribas Open, with Karolina Pliskova instead. In singles, Garcia opened in the second round, as she was seeded no. 21. She defeated lucky loser Evgeniya Rodina, and then upset world 11th seed Johanna Konta in the third round. She then lost to eventual finalist Svetlana Kuznetsova. Prior to the Miami Open, Garcia lost her rank as the no. 1 Frenchwoman to her former doubles partner Kristina Mladenovic. In the tournament, Garcia was once again upset, this time by Peng Shuai in the second round.As the No.3 seed at the Monterrey Open, Garcia reached the semifinals where she lost to eventual champion Anastasia Pavlyuchenkova.
Garcia began her clay season at the Mutua Madrid Open where she lost in the first round to qualifier Wang Qiang. She also had an early exit at her next event, falling in the second round of the Italian Open to Daria Gavrilova, having beaten Donna Vekic in the first round. As the defending champion of the Internationaux de Strasbourg, Garcia lost in the semifinals to Gavrilova in a rematch of their Italian Open encounter.
At the 2017 French Open, Garcia beat Nao Hibino, Chloé Paquet and Hsieh Su-Wei en route to her first Grand Slam second week appearance where she faced Alizé Cornet, beating her fellow countrywoman in straight sets to reach her first ever Grand Slam singles quarterfinal, where she lost to No.2 seed Karolina Pliskova. Despite her loss, Garcia reached a career-high ranking of World No.21.
Garcia is a offensive baseliner, with consistent and powerful groundstrokes, and a strong service game. Her forehand is her stronger wing, and she can hit many clean winners off it. She also possesses a consistent and strong two-handed backhand. She also has a strong first and second serve, known for its accuracy. She served the ninth most aces in 2016, with 218. Her doubles success means she also has a solid net game, although this isn't frequently seen in her singles game. She has good movement and footwork around the court, which help her with hitting her groundstrokes effectively.
She is sponsored by Nike for her clothing and by Yonex for her racquets. She uses the Yonex VCORE SV 100 racquet.
Updated as of 2017 Australian Open