ATP Róma 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 München 04/21 15:05 27 [68] Marcos Giron v Botic Van De Zandschulp [29] 6-7,3-6
ATP München 04/20 09:00 26 [68] Marcos Giron v Alexander Ritschard [209] 4-6,6-3,6-3
ATP München 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
Ausztrál 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 Párizs 10/29 18:30 46 [58] Marcos Giron v Jiri Lehecka [78] 5-7,3-6
ATP Bécs 10/28 12:00 27 [32] Grigor Dimitrov v Marcos Giron [58] 6-3,4-6,6-4
ATP Bécs 10/27 11:00 26 [58] Marcos Giron v Cameron Norrie [13] 6-3,6-4
ATP Bécs 10/26 11:00 25 [71] Tallon Griekspoor v Marcos Giron [58] 4-6,2-6
ATP Antwerp 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.