ATP Róma | 05/07 08:00 | 14 | Marcos Giron v Gianmarco Ferrari | 6-7,6-3,6-2 | |
ATP Madrid | 04/30 16:40 | 25 | [53] Marcos Giron v Alejandro Tabilo [91] | 3-6,5-7 | |
ATP München | 04/26 14:30 | 25 | [72] Hugo Gaston v Marcos Giron [53] | 6-4,6-7,7-5 | |
ATP Barcelona | 04/18 09:00 | 24 | [55] Marcos Giron v Federico Coria [52] | 2-6,6-3,1-6 | |
ATP Monte Carlo | 04/10 11:35 | 24 | [45] Alejandro Davidovich Fokina v Marcos Giron [53] | 7-5,6-3 | |
ATP Houston | 04/06 02:00 | 25 | [30] Frances Tiafoe v Marcos Giron [53] | 6-4,6-4 | |
ATP Miami | 03/24 21:20 | 23 | [55] Marton Fucsovics v Marcos Giron [52] | 6-3,6-4 | |
ATP Indian Wells | 03/10 21:25 | 23 | [55] Marcos Giron v Lorenzo Musetti [56] | 3-6,5-7 | |
ATP Acapulco | 02/25 00:30 | 27 | [59] Marcos Giron v Stefanos Tsitsipas [4] | 3-6,4-6 | |
ATP Acapulco | 02/24 00:00 | 26 | [17] Pablo Carreno Busta v Marcos Giron [59] | 7-6,4-6,6-7 | |
ATP Acapulco | 02/23 01:40 | 25 | [80] John Millman v Marcos Giron [59] | Retired | |
ATP Delray Beach | 02/17 18:00 | 26 | [91] John Millman v Marcos Giron [64] | 6-3,7-6 | |
ATP Delray Beach | 02/15 19:20 | 25 | [161] Tennys Sandgren v Marcos Giron [64] | 5-7,3-6 | |
ATP Dallas | 02/13 01:00 | 28 | [70] Marcos Giron v Jenson Brooksby [54] | 4-6,7-6,6-7 | |
ATP Dallas | 02/11 19:30 | 27 | [19] Taylor Fritz v Marcos Giron [70] | 4-6,6-3,6-7 | |
ATP Dallas | 02/09 20:05 | 26 | [121] Liam Broady v Marcos Giron [70] | 6-3,3-6,1-6 | |
ATP Dallas | 02/08 18:00 | 25 | [163] Tennys Sandgren v Marcos Giron [70] | 4-6,4-6 | |
Ausztrál Open | 01/17 03:35 | 23 | [66] Marcos Giron v Rafael Nadal [5] | 1-6,4-6,2-6 | |
ATP Sydney | 01/10 04:45 | 25 | [75] Jordan Thompson v Marcos Giron [66] | 6-4,6-2 | |
ATP Melbourne | 01/05 00:00 | 25 | [104] Ricardas Berankis v Marcos Giron [66] | 7-5,6-4 | |
ATP Stockholm | 11/08 13:00 | 25 | Peter Gojowczyk v Marcos Giron | Cancelled | |
ATP Párizs | 11/04 18:30 | 26 | [8] Casper Ruud v Marcos Giron [57] | 6-2,6-1 | |
ATP Párizs | 11/03 17:35 | 25 | [57] Marcos Giron v Diego Schwartzman [15] | 7-6,7-6 | |
ATP Párizs | 11/02 20:10 | 24 | [41] Frances Tiafoe v Marcos Giron [57] | 7-6,4-6,3-6 | |
ATP Párizs | 10/31 10:00 | 19 | [60] Marcos Giron v Norbert Gombos [108] | 6-1,7-5 | |
ATP Párizs | 10/30 10:25 | 14 | [60] Marcos Giron v Gilles Simon [122] | 6-7,6-4,7-5 | |
ATP Bécs | 10/23 12:25 | 14 | [59] Marcos Giron v Norbert Gombos [103] | 6-7,4-6 | |
ATP Indian Wells | 10/10 02:20 | 24 | [59] Marcos Giron v Filip Krajinovic [34] | 6-7,5-7 | |
ATP Indian Wells | 10/07 21:15 | 23 | [59] Marcos Giron v Botic Van De Zandschulp [66] | 6-7,6-2,6-4 | |
ATP Sofia | 10/02 13:00 | 28 | [67] Marcos Giron v Gael Monfils [20] | 5-7,0-6 |
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.