Marcos Giron

Marcos Giron is an American professional tennis player who reached a career-high ATP singles ranking of World No. 37 on August 5, 2024. He is one of the top American players on the ATP Tour and captured his first ATP singles title at the 2024 Hall of Fame Open.

Player Profile and Personal Life

Marcos Giron was born on July 24, 1993, in Thousand Oaks, California, USA, and currently resides in his hometown. Standing 180 cm tall and weighing 77 kg, he plays right-handed with a two-handed backhand.

He turned professional in 2014 after a standout college career at UCLA and is coached by Nick Meister and Maxime Tabatruong. Giron is the son of Argentine and Ecuadorian parents.

Junior Career

Giron won the boys' singles title at the Ojai Tennis Tournament in 2009 and the men’s invitational in 2011, establishing himself as a top junior in Southern California before moving on to collegiate and professional tennis.

Career

Since turning professional in 2014, Giron has steadily climbed the ATP rankings, making his mark with a combination of Challenger and ATP Tour results.

He won the singles title at the 2014 NCAA Division I Tennis Championships for UCLA, a major milestone in his early career.

Giron broke into the top 100 in 2020 and achieved his first Grand Slam third round at the French Open in 2021. He reached his maiden ATP Tour final at the 2022 San Diego Open and made further finals at the 2024 Dallas Open before winning his first ATP singles title at the 2024 Hall of Fame Open in Newport.

Giron has also recorded wins over several top 10 players and has represented the United States at the Olympics, reaching the second round in 2020.

Career Record

Singles

• Career Titles: 1
• Highest Singles Ranking: No. 37 (August 5, 2024)
• Current Singles Ranking: No. 43 (June 12, 2025)

Best Grand Slam Singles Performances

• Australian Open – 3R (2025)
• French Open – 3R (2021, 2023)
• Wimbledon – 2R (2021, 2022, 2023, 2024)
• US Open – 2R (2020, 2021)

Other Tournaments

• Olympic Games – 2R (2020)

Doubles

• Career Titles: 0
• Highest Doubles Ranking: No. 194 (August 1, 2022)
• Current Doubles Ranking: Not in top 500 (June 12, 2025)

Best Grand Slam Doubles Performances

• Australian Open – 3R (2022)
• French Open – 2R (2023)
• Wimbledon – 1R (2022, 2023, 2024)
• US Open – 1R (2014, 2021, 2022, 2024)