ATP Miami 03/21 01:00 23 [51] Marcos Giron v Dominik Koepfer [50] 6-4,1-6,4-6
ATP Indian Wells 03/06 19:00 23 [99] Thanasi Kokkinakis v Marcos Giron [48] 6-3,7-5
ATP Los Cabos 02/22 01:40 26 [52] Marcos Giron v Casper Ruud [12] 1-6,0-6
ATP Los Cabos 02/21 01:10 25 [63] Taro Daniel v Marcos Giron [52] 4-6,5-7
ATP Delray Beach 02/18 01:10 28 [9] Taylor Fritz v Marcos Giron [52] 7-6,6-2
ATP Delray Beach 02/16 23:00 27 [52] Marcos Giron v Patrick Kypson [155] 6-4,6-4
ATP Delray Beach 02/14 23:00 26 [19] Adrian Mannarino v Marcos Giron [52] 0-6,7-6,1-6
ATP Delray Beach 02/13 23:00 25 [52] Marcos Giron v Emilio Nava [144] 6-4,7-6
ATP Dallas 02/11 19:00 29 [67] Marcos Giron v Tommy Paul [15] 6-7,7-5,3-6
ATP Dallas 02/10 23:00 28 [67] Marcos Giron v Adrian Mannarino [17] 6-1,6-3
ATP Dallas 02/10 01:00 27 [14] Frances Tiafoe v Marcos Giron [67] 1-6,4-6
ATP Dallas 02/07 18:00 26 [67] Marcos Giron v Max Purcell [43] 6-4,6-3
ATP Dallas 02/06 19:30 25 [154] Nicolas Moreno De Alboran v Marcos Giron [67] 1-6,4-6
Australian Open 01/16 03:10 23 [66] Marcos Giron v Jack Draper [55] 4-6,6-3,6-4,0-6,2-6
ATP Auckland 01/07 23:00 25 [56] Daniel Altmaier v Marcos Giron [60] 7-6,6-2
ATP Metz 11/06 13:00 25 [59] Marcos Giron v Lorenzo Sonego [49] 6-2,3-6,6-7
ATP Paris 10/31 14:35 24 [26] Ugo Humbert v Marcos Giron [59] 6-4,6-3
ATP Paris 10/29 11:30 19 [53] Dusan Lajovic v Marcos Giron [57] 5-7,7-5,6-7
ATP Paris 10/28 14:35 14 [79] Dominik Koepfer v Marcos Giron [57] 6-7,3-6
ATP Basel 10/25 11:35 25 [28] Ugo Humbert v Marcos Giron [57] 6-3,4-6,7-6
ATP Tokyo 10/21 05:00 28 [19] Ben Shelton v Marcos Giron [79] 6-7,7-6,6-4
ATP Tokyo 10/20 06:00 27 [17] Felix Auger Aliassime v Marcos Giron [79] 1-6,4-6
ATP Tokyo 10/18 09:00 26 [79] Marcos Giron v Casper Ruud [8] 6-3,6-4
ATP Tokyo 10/16 09:10 25 [44] Yoshihito Nishioka v Marcos Giron [79] 6-7,6-4,1-6
ATP Tokyo 10/15 04:50 19 [80] Marcos Giron v Yasutaka Uchiyama [351] 6-3,6-2
ATP Tokyo 10/14 02:00 14 [80] Marcos Giron v Kaichi Uchida [270] 6-4,6-3
ATP Shanghai 10/07 08:05 24 [4] Jannik Sinner v Marcos Giron [80] 7-6,6-2
ATP Shanghai 10/04 10:45 23 [82] Marcos Giron v Daniel Elahi Galan [91] 6-4,6-2
ATP Astana 09/30 10:15 26 [82] Marcos Giron v Dominic Thiem [81] 3-6,6-4,6-7
ATP Astana 09/28 10:50 25 [47] Stan Wawrinka v Marcos Giron [82] 7-6,6-7,6-7

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.