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 | |
Challenger Bendigo | 01/17 02:30 | 28 | [75] Stefano Travaglia v Marcos Giron [112] | 6-3,6-3 | |
Challenger Bendigo | 01/16 04:00 | 27 | [112] Marcos Giron v Roberto Carballes Baena [80] | 6-4,6-2 | |
Challenger Bendigo | 01/15 02:00 | 26 | [112] Marcos Giron v Sasikumar Mukund [272] | 6-4,6-3 | |
Challenger Bendigo | 01/14 00:35 | 25 | [112] Marcos Giron v Michail Pervolarakis [483] | 6-3,6-0 | |
Challenger - Canberra | 01/08 01:45 | 25 | [286] Harry Bourchier v Marcos Giron [107] | 6-3,6-7,6-3 | |
Challenger - Houston | 11/17 19:00 | 29 | [123] Marcos Giron v Ivo Karlovič [106] | 7-5,6-7,7-6 | |
Challenger - Houston | 11/16 22:50 | 28 | [197] Mitchell Krueger v Marcos Giron [123] | 6-7,2-6 | |
Challenger - Houston | 11/15 22:35 | 27 | [123] Marcos Giron v Jason Jung [130] | 6-1,2-6,6-2 | |
Challenger - Houston | 11/15 18:00 | 26 | [123] Marcos Giron v Jenson Brooksby [274] | 6-2,4-6,6-3 | |
Challenger - Houston | 11/13 23:55 | 25 | Marcos Giron v Brandon Holt | 7-6,6-7,6-2 | |
Challenger - Knoxville | 11/05 23:55 | 25 | [124] Marcos Giron v Liam Broady [262] | 6-2,6-7,5-7 | |
Challenger - Charlottesville | 11/01 16:35 | 27 | [212] Dmitry Popko v Marcos Giron [125] | 6-3,6-4 | |
Challenger - Charlottesville | 10/31 14:00 | 26 | [169] Darian King v Marcos Giron [125] | 4-6,6-3,6-7 | |
Challenger - Charlottesville | 10/30 15:45 | 25 | [320] Kevin King v Marcos Giron [125] | 6-4,2-6,4-6 | |
Challenger - Las Vegas | 10/18 19:50 | 27 | [149] Christopher O'Connell v Marcos Giron [127] | 7-6,3-6,7-6 | |
Challenger - Las Vegas | 10/17 19:35 | 26 | [449] Michail Pervolarakis v Marcos Giron [127] | 0-6,6-7 | |
Challenger - Las Vegas | 10/16 17:30 | 25 | [330] Kevin King v Marcos Giron [127] | 4-6,3-6 | |
Challenger - Tiburon | 09/26 22:30 | 26 | [214] Thai-Son Kwiatkowski v Marcos Giron [126] | 4-6,7-6,6-4 | |
Challenger - Tiburon | 09/25 17:00 | 25 | [350] Michael Redlicki v Marcos Giron [126] | 4-6,5-7 | |
Challenger - Cary | 09/11 15:00 | 25 | [484] Ben Patael v Marcos Giron [126] | Retired | |
Challenger New Haven | 09/08 15:30 | 29 | [114] Tommy Paul v Marcos Giron [151] | 6-3,6-3 | |
Challenger New Haven | 09/07 15:20 | 28 | [99] Damir Dzumhur v Marcos Giron [151] | 5-7,7-5,2-6 | |
Challenger New Haven | 09/06 15:30 | 27 | [151] Marcos Giron v Brayden Schnur [92] | 6-3,6-2 | |
Challenger New Haven | 09/05 14:00 | 26 | [139] Denis Istomin v Marcos Giron [151] | 6-2,6-7,3-6 | |
Challenger New Haven | 09/04 18:50 | 25 | John McNally v Marcos Giron | 6-7,6-7 |
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.