ATP Madrid | 04/27 13:10 | 23 | [74] Nuno Borges v Marcos Giron [61] | 2-6,6-7 | |
ATP Munich | 04/21 15:05 | 27 | [68] Marcos Giron v Botic Van De Zandschulp [29] | 6-7,3-6 | |
ATP Munich | 04/20 09:00 | 26 | [68] Marcos Giron v Alexander Ritschard [209] | 4-6,6-3,6-3 | |
ATP Munich | 04/17 09:00 | 25 | [49] Roberto Carballes Baena v Marcos Giron [67] | 1-6,7-5,2-6 | |
ATP Houston | 04/08 19:20 | 26 | [69] Marcos Giron v Tomas Machac [138] | 4-6,4-6 | |
ATP Houston | 04/04 19:55 | 25 | [69] Marcos Giron v Emilio Gomez [99] | 6-0,6-2 | |
ATP Miami | 03/23 16:00 | 23 | [71] Marcos Giron v Cristian Garin [82] | 4-6,6-2,4-6 | |
ATP Indian Wells | 03/11 05:00 | 24 | [16] Frances Tiafoe v Marcos Giron [73] | 6-2,6-2 | |
ATP Indian Wells | 03/08 19:00 | 23 | [73] Marcos Giron v Aleksandar Kovacevic [107] | 6-3,7-5 | |
ATP Acapulco | 02/28 00:00 | 25 | [69] Marcos Giron v Michael Mmoh [86] | 6-7,1-6 | |
ATP Delray Beach | 02/17 18:40 | 27 | [55] Marcos Giron v Miomir Kecmanovic [33] | 6-7,3-6 | |
ATP Delray Beach | 02/15 23:00 | 26 | Marcos Giron v Matija Pecotic | 6-3,6-3 | |
ATP Delray Beach | 02/15 01:25 | 25 | [42] Ben Shelton v Marcos Giron [55] | 4-6,4-6 | |
ATP Dallas | 02/11 01:00 | 27 | [8] Taylor Fritz v Marcos Giron [55] | 7-6,3-6,6-3 | |
ATP Dallas | 02/10 02:55 | 26 | [80] Oscar Otte v Marcos Giron [55] | 4-6,3-6 | |
ATP Dallas | 02/07 18:00 | 25 | [378] Alex Rybakov v Marcos Giron [55] | 4-6,7-6,1-6 | |
Australian Open | 01/16 10:45 | 23 | [56] Marcos Giron v Daniil Medvedev [8] | 0-6,1-6,2-6 | |
ATP Auckland | 01/12 01:30 | 27 | [60] Marcos Giron v Cameron Norrie [12] | 1-6,7-6,2-6 | |
ATP Auckland | 01/10 22:45 | 26 | [66] J.J. Wolf v Marcos Giron [60] | 4-6,4-6 | |
ATP Auckland | 01/09 23:00 | 25 | [60] Marcos Giron v Federico Coria [76] | 6-7,6-4,7-5 | |
ATP Auckland | 01/09 22:00 | 25 | Marcos Giron v Pedro Martinez | Cancelled | |
ATP Adelaide | 01/04 10:00 | 26 | [61] Marcos Giron v Alexei Popyrin [120] | 6-4,4-6,3-6 | |
ATP Adelaide | 01/01 05:20 | 25 | [61] Marcos Giron v Richard Gasquet [68] | 7-6,6-7,7-5 | |
ATP Paris | 10/29 18:30 | 46 | [58] Marcos Giron v Jiri Lehecka [78] | 5-7,3-6 | |
ATP Vienna | 10/28 12:00 | 27 | [32] Grigor Dimitrov v Marcos Giron [58] | 6-3,4-6,6-4 | |
ATP Vienna | 10/27 11:00 | 26 | [58] Marcos Giron v Cameron Norrie [13] | 6-3,6-4 | |
ATP Vienna | 10/26 11:00 | 25 | [71] Tallon Griekspoor v Marcos Giron [58] | 4-6,2-6 | |
ATP Antwerp | 10/19 12:55 | 25 | [60] Marcos Giron v Sebastian Korda [36] | 3-6,7-6,4-6 | |
ATP Gijon | 10/12 18:00 | 26 | [165] Dominic Thiem v Marcos Giron [62] | 3-6,6-4,6-0 | |
ATP Gijon | 10/11 12:00 | 25 | [62] Marcos Giron v Albert Ramos-Vinolas [40] | 4-6,6-4,6-2 |
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 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.