Marcos Giron
| ATP Gijon | 10/11 12:00 | 25 | [62] Marcos Giron v Albert Ramos-Vinolas [40] | 4-6,6-4,6-2 | |
| ATP Seoul | 09/27 01:00 | 25 | Nicolas Jarry v Marcos Giron | Cancelled | |
| ATP San Diego | 09/26 00:00 | 29 | [58] Marcos Giron v Brandon Nakashima [69] | 4-6,4-6 | |
| ATP San Diego | 09/24 21:00 | 28 | [25] Daniel Evans v Marcos Giron [58] | 3-6,5-7 | |
| ATP San Diego | 09/23 18:30 | 27 | [58] Marcos Giron v James Duckworth [83] | 7-6,6-3 | |
| ATP San Diego | 09/22 01:55 | 26 | [58] Marcos Giron v Tomas Martin Etcheverry [89] | 6-4,6-3 | |
| US Open | 08/30 22:00 | 23 | [56] Marcos Giron v Frances Tiafoe [26] | 6-7,4-6,3-6 | |
| ATP Cincinnati | 08/17 20:05 | 25 | [19] Roberto Bautista-Agut v Marcos Giron [54] | 6-3,6-3 | |
| ATP Cincinnati | 08/15 20:45 | 24 | [54] Marcos Giron v David Goffin [62] | 6-3,6-4 | |
| ATP Cincinnati | 08/14 19:35 | 19 | [57] Marcos Giron v Fabio Fognini [60] | 7-6,7-5 | |
| ATP Cincinnati | 08/13 17:00 | 14 | [57] Marcos Giron v Denis Kudla [96] | 6-3,6-2 | |
| ATP Montreal | 08/08 23:00 | 24 | [57] Marcos Giron v Roberto Bautista-Agut [18] | 6-7,3-6 | |
| ATP Montreal | 08/07 17:35 | 19 | [53] Marcos Giron v Alexei Popyrin [83] | 6-4,6-7,6-1 | |
| ATP Montreal | 08/06 18:20 | 14 | [53] Marcos Giron v Jason Kubler [122] | 7-6,6-3 | |
| ATP Washington | 08/02 23:00 | 24 | [63] Nick Kyrgios v Marcos Giron [53] | 6-3,6-2 | |
| ATP Atlanta | 07/25 15:00 | 25 | [76] Soonwoo Kwon v Marcos Giron [55] | 7-6,4-6,7-5 | |
| Wimbledon | 06/30 10:00 | 24 | [65] Marcos Giron v Alex Molcan [51] | 3-6,2-6,4-6 | |
| Wimbledon | 06/28 13:30 | 23 | [29] Holger N Rune v Marcos Giron [65] | 3-6,5-7,4-6 | |
| ATP Mallorca | 06/23 12:35 | 27 | [67] Marcos Giron v Stefanos Tsitsipas [6] | 6-7,6-4,3-6 | |
| ATP Mallorca | 06/22 11:00 | 26 | [67] Marcos Giron v Mackenzie McDonald [52] | 4-6,7-6,6-4 | |
| ATP Mallorca | 06/21 11:00 | 25 | [26] Botic Van De Zandschulp v Marcos Giron [67] | 7-6,4-6,6-7 | |
| ATP Halle | 06/14 10:00 | 25 | [60] Marcos Giron v Felix Auger Aliassime [9] | 3-6,7-5,3-6 | |
| ATP Stuttgart | 06/06 12:15 | 25 | [53] Marcos Giron v Jan-Lennard Struff [103] | 5-7,7-5,6-7 | |
| Franska öppna | 05/22 09:00 | 23 | [20] Grigor Dimitrov v Marcos Giron [49] | 6-1,6-1,6-1 | |
| ATP Genève | 05/16 10:00 | 25 | [50] Ilya Ivashka v Marcos Giron [49] | 4-6,6-3,6-2 | |
| ATP Rom | 05/12 12:20 | 26 | [60] Marcos Giron v Felix Auger Aliassime [9] | 3-6,2-6 | |
| ATP Rom | 05/11 13:35 | 25 | [15] Diego Schwartzman v Marcos Giron [60] | 1-6,6-7 | |
| ATP Rom | 05/09 14:25 | 24 | [41] Alexander Bublik v Marcos Giron [59] | 6-3,4-6,3-6 | |
| ATP Rom | 05/08 09:00 | 19 | [52] Marcos Giron v Tallon Griekspoor [57] | 6-7,2-6 | |
| ATP Rom | 05/07 08:00 | 14 | Marcos Giron v Gianmarco Ferrari | 6-7,6-3,6-2 |
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 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.