| ATP - Tóquio | 10/15 04:50 | 19 | [80] Marcos Giron v Yasutaka Uchiyama [351] | 6-3,6-2 | |
| ATP - Tóquio | 10/14 02:00 | 14 | [80] Marcos Giron v Kaichi Uchida [270] | 6-4,6-3 | |
| ATP - Xangai | 10/07 08:05 | 24 | [4] Jannik Sinner v Marcos Giron [80] | 7-6,6-2 | |
| ATP - Xangai | 10/04 10:45 | 23 | [82] Marcos Giron v Daniel Elahi Galan [91] | 6-4,6-2 | |
| ATP - Astana | 09/30 10:15 | 26 | [82] Marcos Giron v Dominic Thiem [81] | 3-6,6-4,6-7 | |
| ATP - Astana | 09/28 10:50 | 25 | [47] Stan Wawrinka v Marcos Giron [82] | 7-6,6-7,6-7 | |
| ATP - Chengdu | 09/23 05:00 | 26 | [64] Marcos Giron v Arthur Rinderknech [67] | 6-7,4-6 | |
| ATP - Chengdu | 09/21 08:35 | 25 | [29] Alexander Bublik v Marcos Giron [64] | 6-7,3-6 | |
| Open dos EUA | 08/28 16:30 | 23 | [62] Marcos Giron v Alejandro Davidovich Fokina [21] | 4-6,4-6,2-6 | |
| ATP - Winston-Salem | 08/23 00:50 | 25 | [94] Michael Mmoh v Marcos Giron [63] | 6-3,6-4 | |
| ATP - Cincinnati | 08/12 20:35 | 14 | [98] Diego Schwartzman v Marcos Giron [70] | 6-4,6-4 | |
| ATP - Toronto | 08/11 00:35 | 26 | [14] Tommy Paul v Marcos Giron [70] | 6-3,6-2 | |
| ATP - Toronto | 08/10 00:55 | 25 | [70] Marcos Giron v Holger Rune [6] | 6-2,4-6,6-3 | |
| ATP - Toronto | 08/08 15:00 | 24 | [54] Emil Ruusuvuori v Marcos Giron [70] | 6-7,6-7 | |
| ATP - Toronto | 08/06 16:35 | 19 | [69] Marcos Giron v Radu Albot [97] | 6-3,6-1 | |
| ATP - Toronto | 08/05 18:10 | 14 | [69] Marcos Giron v Nick Chappell [334] | 6-4,3-6,6-2 | |
| ATP - Washington | 07/31 22:20 | 24 | [69] Marcos Giron v Radu Albot [97] | 3-6,7-5,5-7 | |
| Wimbledon | 07/07 11:30 | 24 | [65] Marcos Giron v Marton Fucsovics [67] | 6-7,3-6,6-4,4-6 | |
| Wimbledon | 07/05 16:30 | 23 | [65] Marcos Giron v Hugo Dellien [171] | 7-6,6-4,6-4 | |
| ATP - Maiorca | 06/25 14:55 | 25 | [333] Guido Pella v Marcos Giron [57] | 3-6,6-2,7-6 | |
| ATP - Halle | 06/19 16:15 | 25 | [3] Daniil Medvedev v Marcos Giron [57] | 6-4,6-3 | |
| ATP - Halle | 06/18 11:00 | 19 | [57] Marcos Giron v Andrea Vavassori [129] | 7-6,1-6,6-1 | |
| ATP - Halle | 06/17 11:25 | 45 | [57] Marcos Giron v Pavel Kotov [112] | 6-4,6-4 | |
| ATP - Estugarda | 06/12 09:00 | 25 | [57] Marcos Giron v Jiri Lehecka [37] | 6-4,3-6,4-6 | |
| Open de França | 06/03 10:55 | 25 | [35] Nicolas Jarry v Marcos Giron [75] | 6-2,6-3,6-7,6-3 | |
| Open de França | 06/01 15:10 | 24 | [75] Marcos Giron v Jiri Lehecka [41] | 6-2,6-3,6-2 | |
| Open de França | 05/29 13:30 | 23 | [168] Hamad Medjedovic v Marcos Giron [75] | 0-6,2-6,6-1,0-6 | |
| ATP - Genebra | 05/24 12:25 | 26 | [74] Marcos Giron v Taylor Fritz [9] | 6-4,2-6,3-6 | |
| ATP - Genebra | 05/22 18:30 | 25 | [48] Alexander Bublik v Marcos Giron [74] | 0-6,4-6 | |
| ATP - Roma | 05/10 16:30 | 23 | [103] Roman Safiullin v Marcos Giron [60] | 6-4,6-3 |
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 Feb 2024 and a doubles ranking of No. 194 on August 1, 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.