Mackenzie McDonald

Juniors career

McDonald was a semifinalist in the boys' singles of the 2012 Australian Open. In 2012, he reached a career high ranking in the ITF World Tour Junior Rankings of number 12. Won the 18s singles title at the 2012 Easter Bowl.

2013

McDonald qualified for the 2013 Western & Southern Open. McDonald lost in the first round to David Goffin in straight sets. He was subsequently given a wildcard entry into the 2013 US Open qualifying.

Listed as the No. 1 player coming into college according to the ITA. At UCLA as a freshman was named a Singles All-American and Pac-12 Freshman of the Year. McDonald was also a quarter finalist at the NCAA singles championship while compiling a 33-9 record during the season, including an 18-4 record in dual matches.

2014

McDonald qualified into the main draw of the 2014 Challenger in Winnetka, Illinois and defeated world no. 154 Sam Groth.

2015

At the 2015 NCAA Division I Men's Tennis Championship, he defeated top-ranked Axel Alvarez of Oklahoma during team competition. He played #1 singles and doubles for the UCLA Bruins for most of the season.

2016

During the 2016 season, he helped his Bruins to the quarterfinals of the Division I Tennis Team Championship. Then on Memorial Day, May 30, McDonald defeated the No. 1 ranked Mikael Torpegaard of Ohio State University for the singles championship at Michael D. Case Tennis Center, in Tulsa, Oklahoma. He became the 12th UCLA Bruins player to win the singles title. McDonald also teamed with Martin Redlicki to play for the doubles championship. They defeated the team of Arthur Rinderknech and Jackson Withrow from the University of Texas A&M to win the doubles individual championship. In doing so, McDonald became the first college player to win both the national singles and doubles titles since Matias Boeker of the University of Georgia in 2001. McDonald was awarded a wild card into the main draw of the US Open, where he lost to Czech qualifier Jan Šátral in five sets in the first round. Beginning in late September and lasting through early October, McDonald had an impressive string of results in challenger level tournaments, winning his first ITF Pro Circuit title at USA F29 Irvine Futures, as well as reaching back to back semifinals in Tiburon and Stockton with impressive wins over three top 150 players and fellow Americans in Frances Tiafoe, Denis Kudla and Tim Smyczek.

2017

McDonald began the season winning the singles title at the F1 Los Angeles Pro Futures held at the University of Southern California, beating Carl Söderlund in the final 6-4, 6-0 by winning the last eleven games. In March at the BNP Paribas Open at Indian Wells, McDonald, along with former University of Virginia tennis player Danielle Collins, were selected to receive the Oracle US Tennis Awards, given to exceptional collegiate players transitioning to a professional. McDonald won the USA F12 Futures doubles event with Lloyd Glasspool, his fifth career Futures doubles title.