Marcos Giron
| ATP Stuttgart | 06/07 11:50 | 14 | [122] Gregoire Barrere v Marcos Giron [84] | 6-3,6-2 | |
| French Open | 06/04 13:25 | 25 | [84] Marcos Giron v Cristian Garin [23] | 1-6,7-5,2-6,2-6 | |
| French Open | 06/02 14:00 | 24 | [84] Marcos Giron v Guido Pella [61] | 7-6,6-1,6-7,6-4 | |
| French Open | 05/30 13:15 | 23 | [17] Grigor Dimitrov v Marcos Giron [82] | Retired | |
| ATP Parma | 05/23 13:35 | 25 | [446] Flavio Cobolli v Marcos Giron [82] | 3-6,7-6,7-6 | |
| ATP Roma | 05/08 13:35 | 14 | [91] Marcos Giron v Federico Delbonis [77] | 3-6,3-6 | |
| ATP Madrid | 05/04 17:20 | 25 | [4] Dominic Thiem v Marcos Giron [91] | 6-1,6-3 | |
| ATP Madrid | 05/03 14:55 | 24 | [79] Pablo Andujar v Marcos Giron [91] | 7-6,6-7,5-7 | |
| ATP Madrid | 05/02 09:00 | 19 | [59] Yoshihito Nishioka v Marcos Giron [92] | Retired | |
| ATP Madrid | 05/01 09:00 | 14 | [92] Marcos Giron v Thiago Monteiro [78] | 6-4,6-7,7-6 | |
| ATP Estoril | 04/27 14:25 | 25 | [92] Marcos Giron v Corentin Moutet [73] | 4-6,7-6,4-6 | |
| ATP Miami | 03/26 15:00 | 24 | [88] Marcos Giron v Taylor Fritz [32] | 2-6,2-6 | |
| ATP Miami | 03/24 16:40 | 23 | [88] Marcos Giron v Tommy Paul [53] | 7-6,6-4 | |
| ATP Rotterdam | 03/02 11:40 | 25 | [80] Marcos Giron v Andrey Rublev [8] | 6-7,3-6 | |
| ATP Rotterdam | 02/28 10:00 | 19 | [78] Marcos Giron v Norbert Gombos [93] | 6-3,6-4 | |
| ATP Rotterdam | 02/27 10:00 | 14 | [78] Marcos Giron v Tim Van Rijthoven [328] | 6-2,5-7,6-4 | |
| ATP Montpellier | 02/23 09:30 | 25 | [160] Tallon Griekspoor v Marcos Giron [78] | 6-2,6-7,6-3 | |
| Australian Open | 02/08 03:30 | 23 | [73] Marcos Giron v Alexander Zverev [7] | 7-6,6-7,3-6,2-6 | |
| ATP Murray River Open | 02/05 01:10 | 26 | [73] Marcos Giron v Daniel Evans [33] | 4-6,6-7 | |
| ATP Murray River Open | 02/02 23:30 | 25 | [35] Adrian Mannarino v Marcos Giron [73] | 3-6,4-6 | |
| ATP Murray River Open | 02/02 02:25 | 24 | [73] Marcos Giron v Michael Mmoh [177] | 6-1,7-5 | |
| ATP Paris | 11/05 11:35 | 26 | [91] Marcos Giron v Milos Raonic [17] | 6-7,2-6 | |
| ATP Paris | 11/03 21:00 | 25 | [10] Matteo Berrettini v Marcos Giron [91] | 6-7,7-6,5-7 | |
| ATP Paris | 11/02 11:45 | 24 | [46] Albert Ramos-Vinolas v Marcos Giron [86] | 3-6,6-4,1-6 | |
| ATP Paris | 11/01 10:00 | 19 | [54] Laslo Djere v Marcos Giron [86] | 6-7,6-7 | |
| ATP Paris | 10/31 09:00 | 14 | [100] Roberto Carballes Baena v Marcos Giron [86] | 4-6,1-6 | |
| ATP Antwerp | 10/23 16:55 | 27 | [94] Marcos Giron v Alex De Minaur [29] | 3-6,0-6 | |
| ATP Antwerp | 10/22 19:10 | 26 | [14] David Goffin v Marcos Giron [94] | 3-6,5-7 | |
| ATP Antwerp | 10/20 12:25 | 25 | Marcos Giron v Luca Nardi | 4-6,6-4,6-1 | |
| ATP Antwerp | 10/19 10:00 | 19 | [90] Marcos Giron v Yasutaka Uchiyama [95] | 7-6,6-2 |
Wikipedia - Marcos Giron
Marcos Andres Giron (born July 24, 1993; Spanish: Girón) is an American professional tennis player. He achieved a career-high singles ranking of No. 44 on 19 February 2024 and a doubles ranking of No. 194 on 1 August 2022. He won the boys' singles in the Ojai Tennis Tournament in 2009 and the men’s invitational in 2011. In 2014, Giron won the singles title at the 2014 NCAA Division I Tennis Championships for UCLA.