Rise to Success: Career Highlights of Marcos Giron

Discover the career path of Marcos Giron, from the first major opportunity to industry-changing achievements.

Marcos Giron is an American professional tennis player who achieved a career-high singles ranking of world No. 37 on August 5, 2024, and a doubles ranking of No. 194 on August 1, 2022. He is an alumnus of UCLA, where he won the 2014 NCAA Division I Tennis Championships singles title. Giron's accomplishments include winning an ATP Tour title at the 2024 Hall of Fame Open.

Sections (2)

Full Timeline Career & Achievements

2009: Ojai Tennis Tournament

In 2009, Marcos Giron won the boys' singles in the Ojai Tennis Tournament.

2011: Ojai Tennis Tournament

In 2011, Marcos Giron won the men’s invitational in the Ojai Tennis Tournament.

2014: NCAA Division I Tennis Championship

In 2014, Giron won the singles title at the NCAA Division I Tennis Championships for UCLA.

June 21, 2021: Career High Ranking

On June 21, 2021, Marcos Giron reached a career-high ranking of No. 65 after reaching the quarterfinal at Halle.

October 4, 2021: New Career-High Ranking

On October 4, 2021, Marcos Giron reached a new career-high ranking in the top 60, at world No. 59, after reaching the semifinal of the Sofia Open.

2021: Murray River Open and Australian Open

In 2021, Giron started his season at the Murray River Open, beating Adrian Mannarino in the second round but losing to Dan Evans in the third. He then participated in the Australian Open, losing in the first round to Alexander Zverev.

May 2022: Top 50 Debut

In May 2022, Marcos Giron made his top 50 debut.

August 1, 2022: Career-High Doubles Ranking

On August 1, 2022, Marcos Giron achieved a doubles ranking of No. 194.

2022: Melbourne Summer Set 1, Sydney Classic, and Australian Open

In 2022, Giron participated in the Melbourne Summer Set 1, losing in the first round to Ričardas Berankis. He was also defeated in the first round of the Sydney Classic by Jordan Thompson, and in the first round of the Australian Open by Rafael Nadal.

2023: Adelaide International 1, Auckland, and Australian Open

In 2023, Giron competed at the Adelaide International 1, losing in the second round to Alexei Popyrin. He reached the quarterfinals in Auckland, where he was defeated by Cameron Norrie. At the Australian Open, he lost in the first round to Daniil Medvedev.

2023: U.S. Men's Clay Court Championships, BMW Open, Madrid Open and French Open

In 2023, Marcos Giron participated in the U.S. Men's Clay Court Championships, losing in the second round to Tomáš Macháč. He reached the quarterfinals at the BMW Open, losing to Botic van de Zandschulp. At the Madrid Open, he lost in the second round to Sebastián Báez. He reached the third round at the French Open.

2023: ATP 500 Japan Open Tennis Championships Semifinal

In 2023, Marcos Giron reached the semifinals as a qualifier at the ATP 500 Japan Open Tennis Championships, defeating Yoshihito Nishioka, Casper Ruud, and Félix Auger-Aliassime.

February 2024: ATP Semifinal and Career-High Ranking

In February 2024, Marcos Giron reached his second ATP final at the Dallas Open and then reached his first consecutive ATP semifinal at the Delray Beach Open, achieving a new career-high ranking in the top 45 on 19 February 2024.

July 2024: First ATP Title and Career-High Ranking

In July 2024, Marcos Giron won his first ATP title at the Hall of Fame Open, defeating Alex Michelsen in the final and reaching a new career-high ranking of No. 38 on 22 July 2024.

August 5, 2024: Career-High Singles Ranking

On August 5, 2024, Marcos Giron achieved a career-high singles ranking of world No. 37.

2024: Grass Season Events

In 2024, Marcos Giron defeated Andy Murray at the BOSS Open in Stuttgart. In Halle, he upset Andrey Rublev and reached the quarterfinals. He also defeated Francisco Cerundolo at the Eastbourne International and reached the second round at Wimbledon.

2025: Australian Open Third Round

In 2025, Marcos Giron reached the third round of the Australian Open for the first time, defeating Tomas Martin Etcheverry in five sets.

2025: BNP Paribas Open

In 2025, at the BNP Paribas Open, Marcos Giron defeated Casper Ruud and Alexei Popyrin to reach the third round and a Masters fourth round for the first time in his career.