Challenger Champaign Qual 11/12 20:45 46 Zeke Clark v Marcos Giron 1-6,6-4,1-6
ITF USA F34 10/27 23:00 26 Marcos Giron v Sebastian Fanselow 4-6,3-6
ITF USA F34 10/26 19:00 25 Bernardo Saraiva v Marcos Giron 0-6,2-6
ITF USA F33 10/23 17:00 29 Marcos Giron v Andre Goransson 5-7,7-6,6-4
ITF USA F33 10/22 18:25 28 Ruben Bemelmans v Marcos Giron 6-1,3-6,5-7
ITF USA F33 10/21 17:00 27 Marcos Giron v Rhyne Williams 1-6,6-3,6-3
ITF USA F33 10/20 19:25 26 Connor Smith v Marcos Giron 5-7,4-6
ITF USA F33 10/19 17:00 25 Marcos Giron v J. T. Nishimura 7-5,6-1
Challenger Fairfield Qual 10/10 19:30 54 Dennis Nevolo v Marcos Giron 6-4,6-1
Challenger Fairfield Qual 10/09 20:40 46 Andres Molteni v Marcos Giron 3-6,7-6,0-6
Challenger Fairfield Qual 10/08 22:15 45 Marcos Giron v Edoardo Eremin 6-4,0-6,6-4
ITF USA F30 10/01 20:20 28 Marcos Giron v Sebastian Fanselow 5-7,1-6
ITF USA F30 09/30 18:45 27 Marcos Giron v Markos Kalovelonis 7-6,6-3
ITF USA F30 09/29 16:30 26 Marcos Giron v Hunter Johnson 6-4,6-4
ITF USA F30 09/28 21:15 25 Marcos Giron v Cristobal Rivera 6-0,6-1
ITF USA F29 09/23 18:40 27 Marcos Giron v Jan Choinski 3-6,7-5,4-6
ITF USA F29 09/22 21:10 26 Marcos Giron v Or Ram-Harel 6-4,1-6,6-3
ITF USA F29 09/21 20:10 25 Marcos Giron v Lucas Catarina 6-0,6-1
ITF Australia F10 11/17 23:00 25 Zach Itzstein v Marcos Giron Retired
ITF Australia F10 11/12 23:30 27 Marcos Giron v Rubin Statham 6-7,5-7
ITF Australia F10 11/12 00:30 26 Marcos Giron v Bradley Mousley 6-7,6-3,7-6
ITF Australia F10 Qual 11/08 23:00 62 Marcos Giron v Zach Itzstein 6-3,6-1
ITF Australia F10 Qual 11/08 02:00 62 Marcos Giron v Lucas Vuradin 6-0,6-1
Challenger Traralgon 10/27 00:40 25 Alex Bolt v Marcos Giron 7-6,7-5
Challenger Fairfield 10/12 19:30 25 Frank Dancevic v Marcos Giron 4-6,7-6,7-6
Challenger Tiburon Qual 09/28 17:00 44 Dennis Nevolo v Marcos Giron 7-6,5-7,7-5
ITF USA F27 09/24 23:00 26 Marcos Giron v Ernesto Escobedo 1-6,4-6
ITF USA F27 09/22 17:00 25 Marcos Giron v Benjamin Lock 6-3,6-2
ITF USA F26 09/16 18:40 25 Marcos Giron v Collin Altamirano 6-3,3-6,3-6
US Open Qual 08/26 21:35 44 Alejandro Gonzalez v Marcos Giron 7-6,6-2

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.