ATP Tokyo | 10/21 05:00 | 28 | [19] Ben Shelton v Marcos Giron [79] | 6-7,7-6,6-4 | |
ATP Tokyo | 10/20 06:00 | 27 | [17] Felix Auger Aliassime v Marcos Giron [79] | 1-6,4-6 | |
ATP Tokyo | 10/18 09:00 | 26 | [79] Marcos Giron v Casper Ruud [8] | 6-3,6-4 | |
ATP Tokyo | 10/16 09:10 | 25 | [44] Yoshihito Nishioka v Marcos Giron [79] | 6-7,6-4,1-6 | |
ATP Tokyo | 10/15 04:50 | 19 | [80] Marcos Giron v Yasutaka Uchiyama [351] | 6-3,6-2 | |
ATP Tokyo | 10/14 02:00 | 14 | [80] Marcos Giron v Kaichi Uchida [270] | 6-4,6-3 | |
ATP Shanghai | 10/07 08:05 | 24 | [4] Jannik Sinner v Marcos Giron [80] | 7-6,6-2 | |
ATP Shanghai | 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 | |
US Open | 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 Mallorca | 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 Stuttgart | 06/12 09:00 | 25 | [57] Marcos Giron v Jiri Lehecka [37] | 6-4,3-6,4-6 | |
French Open | 06/03 10:55 | 25 | [35] Nicolas Jarry v Marcos Giron [75] | 6-2,6-3,6-7,6-3 | |
French Open | 06/01 15:10 | 24 | [75] Marcos Giron v Jiri Lehecka [41] | 6-2,6-3,6-2 |
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.