French Open | 09/29 13:55 | 23 | [202] Quentin Halys v Marcos Giron [96] | 5-7,6-3,7-6,5-7,6-8 | |
ATP Rome | 09/12 12:05 | 14 | [96] Marcos Giron v Mikael Ymer [71] | 6-4,5-7,6-7 | |
US Open | 09/02 15:00 | 24 | [26] Filip Krajinovic v Marcos Giron [96] | 6-4,6-1,6-3 | |
US Open | 08/31 20:25 | 23 | [96] Marcos Giron v Marc Polmans [121] | 6-4,6-7,3-6,6-4,6-2 | |
ATP New York | 08/24 15:00 | 25 | [5] Daniil Medvedev v Marcos Giron [101] | 6-4,6-4 | |
ATP New York | 08/23 16:20 | 24 | [271] Mackenzie McDonald v Marcos Giron [102] | 6-7,5-7 | |
ATP New York | 08/21 15:00 | 19 | [95] Gregoire Barrere v Marcos Giron [102] | 6-4,6-7,4-6 | |
ATP New York | 08/20 16:50 | - | [102] Marcos Giron v Laslo Djere [80] | 6-2,6-2 | |
Matchplay 120 | 07/02 22:00 | 1 | [102] Marcos Giron v Bradley Klahn [126] | 6-7,7-6,3-6 | |
Matchplay 120 | 07/01 22:00 | 1 | Marcos Giron v Zachary Svajda | Retired | |
Matchplay 120 | 06/29 22:00 | - | Ernesto Escobedo v Marcos Giron | View | |
Matchplay 120 | 06/26 22:00 | 1 | Marcos Giron v Zachary Svajda | 6-4,6-4 | |
Matchplay 120 | 06/22 22:00 | 1 | [181] Ernesto Escobedo v Marcos Giron [102] | 7-6,7-6 | |
Matchplay 120 | 06/19 23:00 | 1 | Marcos Giron v Zachary Svajda | 4-6,5-7 | |
Matchplay 120 | 06/17 23:00 | - | [102] Marcos Giron v Brandon Nakashima [220] | 6-4,3-6,6-3 | |
Matchplay 120 | 06/10 22:00 | - | [181] Ernesto Escobedo v Marcos Giron [102] | 2-6,7-6,3-6 | |
Matchplay 120 | 06/08 23:00 | 1 | [102] Marcos Giron v Steve Johnson [63] | 6-3,6-1 | |
Matchplay 120 | 06/05 23:00 | 1 | [181] Ernesto Escobedo v Marcos Giron [102] | 5-7,5-7 | |
Matchplay 120 | 05/29 23:00 | 1 | Zachary Svajda v Marcos Giron | 4-6,6-3,6-7 | |
Challenger Indian Wells | 03/06 22:20 | 27 | [104] Marcos Giron v Brandon Nakashima [255] | 6-7,6-3,2-6 | |
Challenger Indian Wells | 03/05 22:25 | 26 | [163] Roberto Marcora v Marcos Giron [104] | 6-7,1-6 | |
Challenger Indian Wells | 03/04 18:00 | 25 | [393] Ryan Peniston v Marcos Giron [104] | 2-6,6-7 | |
ATP Acapulco | 02/26 23:40 | 26 | [20] John Isner v Marcos Giron [115] | 6-3,7-6 | |
ATP Acapulco | 02/25 04:55 | 25 | Marcos Giron v Gerardo L Villasenor | 6-4,7-6 | |
ATP Acapulco | 02/24 01:20 | 164 | [104] Taro Daniel v Marcos Giron [113] | 4-6,7-5,1-6 | |
ATP Acapulco | 02/23 03:50 | 64 | Juan A Hernandez v Marcos Giron | 5-7,1-6 | |
ATP New York | 02/13 03:10 | 26 | [113] Marcos Giron v Ugo Humbert [43] | 1-6,0-6 | |
ATP New York | 02/11 03:10 | 25 | [141] Jack Sock v Marcos Giron [113] | 3-6,4-6 | |
Challenger Newport Beach | 01/28 21:05 | 25 | [107] Marcos Giron v Sebastian Korda [246] | 4-6,6-3,6-7 | |
Australian Open | 01/20 09:05 | 23 | [79] Philipp Kohlschreiber v Marcos Giron [107] | 7-5,6-1,6-2 |
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.