ATP Róma 05/07 08:00 14 Marcos Giron v Gianmarco Ferrari 6-7,6-3,6-2
ATP Madrid 04/30 16:40 25 [53] Marcos Giron v Alejandro Tabilo [91] 3-6,5-7
ATP München 04/26 14:30 25 [72] Hugo Gaston v Marcos Giron [53] 6-4,6-7,7-5
ATP Barcelona 04/18 09:00 24 [55] Marcos Giron v Federico Coria [52] 2-6,6-3,1-6
ATP Monte Carlo 04/10 11:35 24 [45] Alejandro Davidovich Fokina v Marcos Giron [53] 7-5,6-3
ATP Houston 04/06 02:00 25 [30] Frances Tiafoe v Marcos Giron [53] 6-4,6-4
ATP Miami 03/24 21:20 23 [55] Marton Fucsovics v Marcos Giron [52] 6-3,6-4
ATP Indian Wells 03/10 21:25 23 [55] Marcos Giron v Lorenzo Musetti [56] 3-6,5-7
ATP Acapulco 02/25 00:30 27 [59] Marcos Giron v Stefanos Tsitsipas [4] 3-6,4-6
ATP Acapulco 02/24 00:00 26 [17] Pablo Carreno Busta v Marcos Giron [59] 7-6,4-6,6-7
ATP Acapulco 02/23 01:40 25 [80] John Millman v Marcos Giron [59] Retired
ATP Delray Beach 02/17 18:00 26 [91] John Millman v Marcos Giron [64] 6-3,7-6
ATP Delray Beach 02/15 19:20 25 [161] Tennys Sandgren v Marcos Giron [64] 5-7,3-6
ATP Dallas 02/13 01:00 28 [70] Marcos Giron v Jenson Brooksby [54] 4-6,7-6,6-7
ATP Dallas 02/11 19:30 27 [19] Taylor Fritz v Marcos Giron [70] 4-6,6-3,6-7
ATP Dallas 02/09 20:05 26 [121] Liam Broady v Marcos Giron [70] 6-3,3-6,1-6
ATP Dallas 02/08 18:00 25 [163] Tennys Sandgren v Marcos Giron [70] 4-6,4-6
Ausztrál Open 01/17 03:35 23 [66] Marcos Giron v Rafael Nadal [5] 1-6,4-6,2-6
ATP Sydney 01/10 04:45 25 [75] Jordan Thompson v Marcos Giron [66] 6-4,6-2
ATP Melbourne 01/05 00:00 25 [104] Ricardas Berankis v Marcos Giron [66] 7-5,6-4
ATP Stockholm 11/08 13:00 25 Peter Gojowczyk v Marcos Giron Cancelled
ATP Párizs 11/04 18:30 26 [8] Casper Ruud v Marcos Giron [57] 6-2,6-1
ATP Párizs 11/03 17:35 25 [57] Marcos Giron v Diego Schwartzman [15] 7-6,7-6
ATP Párizs 11/02 20:10 24 [41] Frances Tiafoe v Marcos Giron [57] 7-6,4-6,3-6
ATP Párizs 10/31 10:00 19 [60] Marcos Giron v Norbert Gombos [108] 6-1,7-5
ATP Párizs 10/30 10:25 14 [60] Marcos Giron v Gilles Simon [122] 6-7,6-4,7-5
ATP Bécs 10/23 12:25 14 [59] Marcos Giron v Norbert Gombos [103] 6-7,4-6
ATP Indian Wells 10/10 02:20 24 [59] Marcos Giron v Filip Krajinovic [34] 6-7,5-7
ATP Indian Wells 10/07 21:15 23 [59] Marcos Giron v Botic Van De Zandschulp [66] 6-7,6-2,6-4
ATP Sofia 10/02 13:00 28 [67] Marcos Giron v Gael Monfils [20] 5-7,0-6

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.