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
ATP Chengdu 09/23 05:00 26 [64] Marcos Giron v Arthur Rinderknech [67] 6-7,4-6
ATP Chengdu 09/21 08:35 25 [29] Alexander Bublik v Marcos Giron [64] 6-7,3-6
US Open 08/28 16:30 23 [62] Marcos Giron v Alejandro Davidovich Fokina [21] 4-6,4-6,2-6
ATP Winston-Salem 08/23 00:50 25 [94] Michael Mmoh v Marcos Giron [63] 6-3,6-4
ATP Cincinnati 08/12 20:35 14 [98] Diego Schwartzman v Marcos Giron [70] 6-4,6-4
ATP Toronto 08/11 00:35 26 [14] Tommy Paul v Marcos Giron [70] 6-3,6-2
ATP Toronto 08/10 00:55 25 [70] Marcos Giron v Holger Rune [6] 6-2,4-6,6-3
ATP Toronto 08/08 15:00 24 [54] Emil Ruusuvuori v Marcos Giron [70] 6-7,6-7
ATP Toronto 08/06 16:35 19 [69] Marcos Giron v Radu Albot [97] 6-3,6-1
ATP Toronto 08/05 18:10 14 [69] Marcos Giron v Nick Chappell [334] 6-4,3-6,6-2
ATP Washington 07/31 22:20 24 [69] Marcos Giron v Radu Albot [97] 3-6,7-5,5-7
Wimbledon 07/07 11:30 24 [65] Marcos Giron v Marton Fucsovics [67] 6-7,3-6,6-4,4-6
Wimbledon 07/05 16:30 23 [65] Marcos Giron v Hugo Dellien [171] 7-6,6-4,6-4
ATP Mallorca 06/25 14:55 25 [333] Guido Pella v Marcos Giron [57] 3-6,6-2,7-6
ATP Halle 06/19 16:15 25 [3] Daniil Medvedev v Marcos Giron [57] 6-4,6-3
ATP Halle 06/18 11:00 19 [57] Marcos Giron v Andrea Vavassori [129] 7-6,1-6,6-1
ATP Halle 06/17 11:25 45 [57] Marcos Giron v Pavel Kotov [112] 6-4,6-4
ATP Stuttgart 06/12 09:00 25 [57] Marcos Giron v Jiri Lehecka [37] 6-4,3-6,4-6
French Open 06/03 10:55 25 [35] Nicolas Jarry v Marcos Giron [75] 6-2,6-3,6-7,6-3
French Open 06/01 15:10 24 [75] Marcos Giron v Jiri Lehecka [41] 6-2,6-3,6-2
French Open 05/29 13:30 23 [168] Hamad Medjedovic v Marcos Giron [75] 0-6,2-6,6-1,0-6
ATP Geneva 05/24 12:25 26 [74] Marcos Giron v Taylor Fritz [9] 6-4,2-6,3-6
ATP Geneva 05/22 18:30 25 [48] Alexander Bublik v Marcos Giron [74] 0-6,4-6
ATP Rome 05/10 16:30 23 [103] Roman Safiullin v Marcos Giron [60] 6-4,6-3
ATP Madrid 04/29 13:40 24 [31] Sebastian Baez v Marcos Giron [61] 3-6,6-3,6-4

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.