Open da Austrália 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 Karlovic [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
Open dos EUA 08/26 22:30 23 [59] Yoshihito Nishioka v Marcos Giron [151] 3-6,6-4,6-4,6-4
ATP - Winston-Salem 08/20 02:25 24 [155] Marcos Giron v Roberto Carballes Baena [76] 2-6,6-2,3-6
ATP - Winston-Salem 08/18 19:00 164 [158] Marcos Giron v Borna Gojo [302] 6-4,6-4
ATP - Winston-Salem 08/17 18:00 64 [158] Marcos Giron v Roy Smith [323] 6-2,6-0

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.