ATP - Rím 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
ATP - Madrid 04/27 13:10 23 [74] Nuno Borges v Marcos Giron [61] 2-6,6-7
ATP - Mníchov 04/21 15:05 27 [68] Marcos Giron v Botic Van De Zandschulp [29] 6-7,3-6
ATP - Mníchov 04/20 09:00 26 [68] Marcos Giron v Alexander Ritschard [209] 4-6,6-3,6-3
ATP - Mníchov 04/17 09:00 25 [49] Roberto Carballes Baena v Marcos Giron [67] 1-6,7-5,2-6
ATP - Houston 04/08 19:20 26 [69] Marcos Giron v Tomas Machac [138] 4-6,4-6
ATP - Houston 04/04 19:55 25 [69] Marcos Giron v Emilio Gomez [99] 6-0,6-2
ATP - Miami 03/23 16:00 23 [71] Marcos Giron v Cristian Garin [82] 4-6,6-2,4-6
ATP - Indian Wells 03/11 05:00 24 [16] Frances Tiafoe v Marcos Giron [73] 6-2,6-2
ATP - Indian Wells 03/08 19:00 23 [73] Marcos Giron v Aleksandar Kovacevic [107] 6-3,7-5
ATP - Acapulco 02/28 00:00 25 [69] Marcos Giron v Michael Mmoh [86] 6-7,1-6
ATP - Delray Beach 02/17 18:40 27 [55] Marcos Giron v Miomir Kecmanovic [33] 6-7,3-6
ATP - Delray Beach 02/15 23:00 26 Marcos Giron v Matija Pecotic 6-3,6-3
ATP - Delray Beach 02/15 01:25 25 [42] Ben Shelton v Marcos Giron [55] 4-6,4-6
ATP - Dallas 02/11 01:00 27 [8] Taylor Fritz v Marcos Giron [55] 7-6,3-6,6-3
ATP - Dallas 02/10 02:55 26 [80] Oscar Otte v Marcos Giron [55] 4-6,3-6
ATP - Dallas 02/07 18:00 25 [378] Alex Rybakov v Marcos Giron [55] 4-6,7-6,1-6
Australian Open 01/16 10:45 23 [56] Marcos Giron v Daniil Medvedev [8] 0-6,1-6,2-6
ATP - Auckland 01/12 01:30 27 [60] Marcos Giron v Cameron Norrie [12] 1-6,7-6,2-6
ATP - Auckland 01/10 22:45 26 [66] J.J. Wolf v Marcos Giron [60] 4-6,4-6
ATP - Auckland 01/09 23:00 25 [60] Marcos Giron v Federico Coria [76] 6-7,6-4,7-5
ATP - Auckland 01/09 22:00 25 Marcos Giron v Pedro Martinez Cancelled
ATP - Adelaide 01/04 10:00 26 [61] Marcos Giron v Alexei Popyrin [120] 6-4,4-6,3-6
ATP - Adelaide 01/01 05:20 25 [61] Marcos Giron v Richard Gasquet [68] 7-6,6-7,7-5
ATP - Paríž 10/29 18:30 46 [58] Marcos Giron v Jiri Lehecka [78] 5-7,3-6
ATP - Viedeň 10/28 12:00 27 [32] Grigor Dimitrov v Marcos Giron [58] 6-3,4-6,6-4
ATP - Viedeň 10/27 11:00 26 [58] Marcos Giron v Cameron Norrie [13] 6-3,6-4
ATP - Viedeň 10/26 11:00 25 [71] Tallon Griekspoor v Marcos Giron [58] 4-6,2-6
ATP - Antverpy 10/19 12:55 25 [60] Marcos Giron v Sebastian Korda [36] 3-6,7-6,4-6

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 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.