ATP Genf | 05/20 11:15 | 25 | [66] Emil Ruusuvuori v Marcos Giron [48] | 6-3,6-3 | |
ATP Rooma | 05/11 19:50 | 24 | [49] Marcos Giron v Andrey Rublev [6] | 7-5,4-6,5-7 | |
ATP Rooma | 05/09 17:00 | 23 | [71] Emil Ruusuvuori v Marcos Giron [49] | 6-3,3-6,3-6 | |
Challenger Aix en Provence | 04/30 10:50 | 25 | [51] Marcos Giron v Jaume Munar [73] | 1-6,3-6 | |
ATP Madrid | 04/25 10:35 | 23 | [80] Max Purcell v Marcos Giron [51] | 4-6,6-4,7-6 | |
ATP Monte Carlo | 04/09 11:20 | 24 | [49] Zhizhen Zhang v Marcos Giron [48] | 6-4,3-6,6-3 | |
ATP Houston | 04/05 21:05 | 27 | [51] Marcos Giron v Luciano Darderi [72] | 0-6,4-6 | |
ATP Houston | 04/04 02:05 | 26 | [51] Marcos Giron v J.J. Wolf [96] | 6-4,6-3 | |
ATP Houston | 04/03 01:55 | 25 | [51] Marcos Giron v Denis Shapovalov [121] | 6-2,7-5 | |
ATP Miami | 03/21 01:00 | 23 | [51] Marcos Giron v Dominik Koepfer [50] | 6-4,1-6,4-6 | |
ATP Indian Wells | 03/06 19:00 | 23 | [99] Thanasi Kokkinakis v Marcos Giron [48] | 6-3,7-5 | |
ATP Los Cabos | 02/22 01:40 | 26 | [52] Marcos Giron v Casper Ruud [12] | 1-6,0-6 |
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.