Marcos Giron - ATP #66 (2025-11-17)
| atpworldtour.com | ATP | Country |  United States of America |
| Wikipedia | Eng / Fr | Birth | 1993-07-24 - age 32 |
| Career best ranking | 37 - 2024-07-25 - age 31 (+0 M) | Résidence |  Unknown |
| Height | 180 cm | ||
| Weight | 75 kg |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 14 | 13 | 51.85% |
| Hard (in.) | 3 | 4 | 42.86% |
| Grass | 3 | 3 | 50.00% |
| Clay | 4 | 6 | 40.00% |
| TOTAL | 24 | 26 | 48.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-12 | 250 |  Auckland Open | Hard (out.) | 8e | #66 | #38 Alex Michelsen | ||
| 2 | 2026-01-12 | 250 | Auckland Open | Hard (out.) | 16e | #66 |  #42 Alexandre Muller | ||
| 3 | 2026-01-05 | 250 |  Hong Kong Open | Hard (out.) | DF | #66 |  #11 Alexander Bublik | 3/6 6/4 6/2 | |
| 4 | 2026-01-05 | 250 | Hong Kong Open | Hard (out.) | QF | #66 | #10000 Michael Mmoh | 6/3 1/0 ret. | |
| 5 | 2026-01-05 | 250 | Hong Kong Open | Hard (out.) | 8e | #66 | #42 Alexandre Muller | 6/4 7/6(4) | |
| 6 | 2026-01-05 | 250 | Hong Kong Open | Hard (out.) | 16e | #66 |  #99 Laslo Djere | 6/2 6/0 | |
| 7 | 2025-11-03 | 250 |  Hellenic Championship | Hard (in.) | QF | #54 |  #139 Yannick Hanfmann | 7/6(3) 6/4 | |
| 8 | 2025-11-03 | 250 | Hellenic Championship | Hard (in.) | 8e | #54 | #34 Brandon Nakashima | 7/6(7) 6/1 | |
| 9 | 2025-11-03 | 250 | Hellenic Championship | Hard (in.) | 16e | #54 |  #89 Pedro Martinez | 6/4 6/1 | |
| 10 | 2025-10-27 | 1000 | Masters de Paris-Bercy | Hard (in.) | 32e | #54 | #51 Daniel Altmaier | 6/2 7/6(5) | |
| 11 | 2025-10-20 | 500 |  Swiss Indoors Basel | Hard (in.) | 16e | #54 |  #23 Denis Shapovalov | 6/7(3) 6/0 7/6(4) | |
| 12 | 2025-10-13 | 250 |  Bruxelles Open | Hard (in.) | 8e | #48 | #17 Alejandro Davidovich Fokina | 6/7(5) 6/1 6/4 | |
| 13 | 2025-10-13 | 250 | Bruxelles Open | Hard (in.) | 16e | #48 |  #67 Mattia Bellucci | 6/3 6/4 | |
| 14 | 2025-09-29 | 1000 |  Shanghai Masters | Hard (out.) | 64e | #48 |  #122 Alejandro Tabilo | 6/4 6/3 | |
| 15 | 2025-09-22 | 500 |  Japan Open | Hard (out.) | 16e | #48 | #76 Sebastian Korda | 4/6 6/3 7/6(4) | |
| 16 | 2025-09-15 | 250 | Chengdu Open | Hard (out.) | QF | #48 | #32 Brandon Nakashima | 6/3 2/6 7/6(3) | |
| 17 | 2025-09-15 | 250 | Chengdu Open | Hard (out.) | 8e | #48 | #42 Lorenzo Sonego | 6/4 6/4 | |
| 18 | 2025-09-15 | 250 | Chengdu Open | Hard (out.) | 16e | #48 | #79 Ethan Quinn | 7/5 6/4 | |
| 19 | 2025-08-25 | GS | US Open | Hard (out.) | 32e | #61 | #63 Benjamin Bonzi | 2/6 4/6 7/5 6/3 6/4 | |
| 20 | 2025-08-25 | GS | US Open | Hard (out.) | 64e | #61 |  #78 Mariano Navone | 6/0 7/5 4/6 5/7 6/4 | |
| 21 | 2025-08-18 | 250 | Winston-Salem Open | Hard (out.) | 16e | #61 | #78 Mariano Navone | 6/2 6/2 | |
| 22 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 64e | #44 | #135 Alexander Blockx | 6/2 3/6 6/3 | |
| 23 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 64e | #44 | #115 Adrian Mannarino | 6/4 6/4 | |
| 24 | 2025-07-21 | 500 | Washington Open | Hard (out.) | 32e | #44 | #56 Jaume Munar | 7/5 6/3 | |
| 25 | 2025-06-30 | GS |  Wimbledon | Grass | 32e | #47 |  #17 Jakub Mensik | 6/4 3/6 6/4 7/6(4) | |
| 26 | 2025-06-30 | GS | Wimbledon | Grass | 64e | #47 | #56 Camilo Ugo Carabelli | 7/6(6) 7/6(4) 6/3 | |
| 27 | 2025-06-23 | 250 | Eastbourne International | Grass | QF | #45 | #4 Taylor Fritz | 7/5 4/6 7/5 | |
| 28 | 2025-06-23 | 250 | Eastbourne International | Grass | 8e | #45 | #58 Jacob Fearnley | 6/3 6/1 | |
| 29 | 2025-06-23 | 250 | Eastbourne International | Grass | 16e | #45 | #53 Luciano Darderi | 6/4 7/5 | |
| 30 | 2025-06-16 | 500 | Open de Halle | Grass | 16e | #43 | #3 Alexander Zverev | 6/2 6/1 | |
| 31 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #43 |  #33 Tallon Griekspoor | 4/6 6/3 6/4 7/5 | |
| 32 | 2025-05-19 | 500 | Hamburg European Open | Clay | 16e | #43 | #55 Roberto Bautista Agut | 7/6(5) 6/0 | |
| 33 | 2025-05-07 | 1000 | Masters de Rome | Clay | 16e | #45 |  #28 Hubert Hurkacz | 6/3 1/6 6/1 | |
| 34 | 2025-05-07 | 1000 | Masters de Rome | Clay | 32e | #45 | #4 Taylor Fritz | 7/6(4) 7/6(3) | |
| 35 | 2025-05-07 | 1000 | Masters de Rome | Clay | 64e | #45 | #77 Gabriel Diallo | 3/6 6/3 6/4 | |
| 36 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 32e | #45 | #31 Matteo Berrettini | 6/7(3) 7/6(6) 6/1 | |
| 37 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #45 | #65 Learner Tien | 6/1 1/6 7/6(4) | |
| 38 | 2025-04-14 | 500 | Munich Open | Clay | 16e | #46 | #48 Miomir Kecmanovic | 6/2 6/7(2) 7/6(9) | |
| 39 | 2025-04-07 | 1000 |  Monte-Carlo Masters | Clay | 16e | #44 | #6 Jack Draper | 6/1 6/1 | |
| 40 | 2025-04-07 | 1000 | Monte-Carlo Masters | Clay | 32e | #44 | #28 Denis Shapovalov | 6/3 7/6(5) | |
| 41 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #44 |  #36 Jordan Thompson | 3/6 6/4 7/5 | |
| 42 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 8e | #48 | #21 Arthur Fils | 6/2 2/6 6/3 | |
| 43 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 16e | #48 | #26 Alexei Popyrin | 5/7 6/3 6/3 | |
| 44 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 32e | #48 |  #5 Casper Ruud | 7/6(4) 3/6 6/2 | |
| 45 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #48 |  #148 Nikoloz Basilashvili | 7/5 7/6(3) | |
| 46 | 2025-02-24 | 500 |  Mexican Open | Hard (out.) | QF | #50 | #30 Denis Shapovalov | 4/6 6/3 6/2 | |
| 47 | 2025-02-24 | 500 | Mexican Open | Hard (out.) | 8e | #50 | #9 Tommy Paul | w/o | |
| 48 | 2025-02-24 | 500 | Mexican Open | Hard (out.) | 16e | #50 | #94 Adam Walton | 7/6(4) 6/2 | |
| 49 | 2025-02-10 | 250 | Delray Beach Open | Hard (out.) | QF | #52 | #54 Miomir Kecmanovic | 2/6 6/4 6/2 | |
| 50 | 2025-02-10 | 250 | Delray Beach Open | Hard (out.) | 8e | #52 | #171 Ethan Quinn | 6/3 6/4 |
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