
Marcos Giron’s Biography
Attribute | Details |
Name | Marcos Andres Giron |
Nickname | N/A |
Born | July 24, 1993 |
Age | 31 years |
College | University of California, Los Angeles (UCLA) |
Nationality | American |
Height | 5’11” (180 cm) |
Turned Pro | 2014 |
Net Worth | $2 million |
Prize Money | approx: $5,685,237 |
Spouse | Not married |
Relationship Status | In a relationship with Rebecca Dehnel |
Children | N/A |
Instagram Profile | @marcosgiron |
Marcos Giron is a proud Californian with South American roots, known for his relentless spirit on the tennis court and his quiet, focused demeanor off it. He is not married but has been in a long-term relationship with Rebecca Dehnel.
Early Career
Marcos Giron’s tennis journey began at age six when his mother introduced him to the sport at a local park in Thousand Oaks, California. By his teens, he was winning junior tournaments, including the boys’ singles at the Ojai Tennis Tournament.
Giron’s talent flourished at UCLA, where he became the nation’s top recruit and captured the 2014 NCAA Division I singles title before turning professional.
Professional Career
After turning pro in 2014, Giron faced early setbacks due to hip injuries, but his determination saw him rise through the ranks. He broke into the ATP Top 100 in 2020 and continued to make steady progress. In 2024, he reached a career milestone by winning his first ATP Tour title at the Hall of Fame Open in Newport, defeating Alex Michelsen in the final.
Giron also made finals at the Dallas Open and reached the quarterfinals in several ATP events. His career-high singles ranking is World No. 37, achieved in August 2024. Known for his solid baseline game and two-handed backhand, Giron has become a consistent presence on the ATP Tour.
Girlfriend
Marcos Giron is not married but has been in a committed relationship with Rebecca Dehnel since the mid-2010s. The couple shares a love for tennis and often features together in social media posts. Giron does not have any children.

Marcos Giron’s Net Worth Details
As of 2025, Marcos Giron’s net worth is estimated at $2 million. His earnings come from tournament prize money, endorsements, and sponsorships. Giron’s financial growth mirrors his steady rise in the professional tennis circuit.
Prize Money
Year | Prize Money |
2024 | $998,218 |
2023 | $918,451 |
2022 | $792,452 |
2021 | $438,378 |
2020 | $274,758 |
2019 | $38,425 |
2018 | $54,425 |
2017 | $8,204 |
2016 | $19,820 |
2015 | $63,813 |
Total | $5,685,237 |
Endorsements
- Yonex (Racquets)
- K-Swiss (Shoes)
- Vuori (Clothing)
- Previously endorsed by Leorever (Apparel)
Career Records
Opponent | Notable Result/Year |
Frances Tiafoe | Defeated at 2024 Dallas Open |
Adrian Mannarino | Defeated at 2024 Dallas & Delray Beach |
Alex Michelsen | Defeated in 2024 Hall of Fame Open Final |
Andy Murray | Defeated at 2024 BOSS Open, Stuttgart |
Andrey Rublev | Defeated at 2024 Halle (Top 10 win) |
Matteo Berrettini | Defeated at 2024 Halle |
Francisco Cerundolo | Defeated at 2024 Eastbourne International |
Cameron Norrie | Defeated at 2022 Erste Bank Open |
Dominic Thiem | Lost in 2022 Gijón Open |
Tommy Paul | Lost in 2024 Dallas Open Final |
FAQs
1. Who is Marcos Giron?
Marcos Giron is an American professional tennis player born on July 24, 1993, in Thousand Oaks, California. He is known for his consistent baseline play and has achieved a career-high ATP singles ranking of No. 37.
2. What are Marcos Giron’s biggest career achievements?
Giron won the 2014 NCAA Division I Singles Championship while playing for UCLA. On the ATP Tour, his most significant achievement is winning his first ATP title at the 2024 Hall of Fame Open. He has also reached multiple ATP finals and has several ATP Challenger titles.
3. What is Marcos Giron’s playing style?
Giron is a right-handed player with a two-handed backhand. He is known for his steady baseline game, strong return, and high rally tolerance. His style is more about placement and spin rather than power, making him effective in long, grinding matches.
4. How has Marcos Giron performed in Grand Slam tournaments?
Giron has reached the second round or better in all four Grand Slam tournaments, with his best results coming at the US Open and Wimbledon. He consistently competes in the main draws and has scored notable wins against higher-ranked opponents.
5. What is Marcos Giron’s background and early life?
Giron was born to Argentine and Ecuadorian parents. He started playing tennis at age six, inspired by his mother. He attended UCLA, where he played college tennis from 2012 to 2014 before turning professional.
6. Has Marcos Giron suffered any major injuries?
Yes, Giron has overcome significant injuries, including surgeries on both hips in 2015 and 2016 to repair labral tears. Despite these setbacks, he successfully returned to the tour and reached new career heights.
7. Who are Marcos Giron’s coaches?
During his career, Giron has been coached by Karue Sell, a former UCLA teammate, and Maxime Tabatruong. Their guidance has helped him achieve his career-best performances.
8. What are some of Marcos Giron’s most notable wins?
Giron has registered victories over several top 10 players, including Andrey Rublev, Matteo Berrettini, Holger Rune, Casper Ruud, and Taylor Fritz. These wins highlight his ability to challenge and defeat elite competition.
9. What is known about Marcos Giron’s personal life?
Giron values family and enjoys spending time with his long-term girlfriend, Rebecca Dehnel. He is a fan of outdoor activities, including skiing and mountain biking, and admires tennis legends like Pete Sampras and Roger Federer.
10. What are Marcos Giron’s future prospects in tennis?
With a recent ATP title and a career-high ranking, Giron is considered a strong contender on the tour. His resilience, work ethic, and ability to perform in high-pressure matches suggest continued success in upcoming seasons.