French Open 05/30 13:15 23 [17] Grigor Dimitrov v Marcos Giron [82] Retired
ATP Parma 05/23 13:35 25 [446] Flavio Cobolli v Marcos Giron [82] 3-6,7-6,7-6
ATP Róma 05/08 13:35 14 [91] Marcos Giron v Federico Delbonis [77] 3-6,3-6
ATP Madrid 05/04 17:20 25 [4] Dominic Thiem v Marcos Giron [91] 6-1,6-3
ATP Madrid 05/03 14:55 24 [79] Pablo Andujar v Marcos Giron [91] 7-6,6-7,5-7
ATP Madrid 05/02 09:00 19 [59] Yoshihito Nishioka v Marcos Giron [92] Retired
ATP Madrid 05/01 09:00 14 [92] Marcos Giron v Thiago Monteiro [78] 6-4,6-7,7-6
ATP Estoril 04/27 14:25 25 [92] Marcos Giron v Corentin Moutet [73] 4-6,7-6,4-6
ATP Miami 03/26 15:00 24 [88] Marcos Giron v Taylor Fritz [32] 2-6,2-6
ATP Miami 03/24 16:40 23 [88] Marcos Giron v Tommy Paul [53] 7-6,6-4
ATP Rotterdam 03/02 11:40 25 [80] Marcos Giron v Andrey Rublev [8] 6-7,3-6
ATP Rotterdam 02/28 10:00 19 [78] Marcos Giron v Norbert Gombos [93] 6-3,6-4
ATP Rotterdam 02/27 10:00 14 [78] Marcos Giron v Tim Van Rijthoven [328] 6-2,5-7,6-4
ATP Montpellier 02/23 09:30 25 [160] Tallon Griekspoor v Marcos Giron [78] 6-2,6-7,6-3
Ausztrál Open 02/08 03:30 23 [73] Marcos Giron v Alexander Zverev [7] 7-6,6-7,3-6,2-6
ATP Murray River Open 02/05 01:10 26 [73] Marcos Giron v Daniel Evans [33] 4-6,6-7
ATP Murray River Open 02/02 23:30 25 [35] Adrian Mannarino v Marcos Giron [73] 3-6,4-6
ATP Murray River Open 02/02 02:25 24 [73] Marcos Giron v Michael Mmoh [177] 6-1,7-5
ATP Párizs 11/05 11:35 26 [91] Marcos Giron v Milos Raonic [17] 6-7,2-6
ATP Párizs 11/03 21:00 25 [10] Matteo Berrettini v Marcos Giron [91] 6-7,7-6,5-7
ATP Párizs 11/02 11:45 24 [46] Albert Ramos-Vinolas v Marcos Giron [86] 3-6,6-4,1-6
ATP Párizs 11/01 10:00 19 [54] Laslo Djere v Marcos Giron [86] 6-7,6-7
ATP Párizs 10/31 09:00 14 [100] Roberto Carballes Baena v Marcos Giron [86] 4-6,1-6
ATP Antwerp 10/23 16:55 27 [94] Marcos Giron v Alex De Minaur [29] 3-6,0-6
ATP Antwerp 10/22 19:10 26 [14] David Goffin v Marcos Giron [94] 3-6,5-7
ATP Antwerp 10/20 12:25 25 Marcos Giron v Luca Nardi 4-6,6-4,6-1
ATP Antwerp 10/19 10:00 19 [90] Marcos Giron v Yasutaka Uchiyama [95] 7-6,6-2
ATP Antwerp 10/18 10:00 14 [90] Marcos Giron v Kamil Majchrzak [105] 6-3,4-6,6-3
ATP Köln 10/13 15:05 25 [90] Marcos Giron v Marin Čilić [40] 2-6,6-4,3-6
ATP Köln 10/11 11:45 164 [90] Lloyd Harris v Marcos Giron [96] 2-6,6-4,6-2

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.