| ATP - Sofia | 09/30 09:00 | 26 | [67] Marcos Giron v Alex De Minaur [26] | 7-6,7-6 | |
| ATP - Sofia | 09/28 10:45 | 25 | [70] Jaume Munar v Marcos Giron [67] | 7-6,1-6,4-6 | |
| ATP - Metz | 09/24 12:00 | 27 | [69] Marcos Giron v Peter Gojowczyk [101] | 6-3,1-6,3-6 | |
| ATP - Metz | 09/23 12:00 | 26 | [21] Alex De Minaur v Marcos Giron [69] | 5-7,6-7 | |
| ATP - Metz | 09/21 09:00 | 25 | [74] Arthur Rinderknech v Marcos Giron [69] | 6-3,6-7,4-6 | |
| US Open | 09/01 16:00 | 24 | [64] Marcos Giron v Daniel Evans [27] | 4-6,6-7,6-2,3-6 | |
| US Open | 08/30 17:50 | 23 | [64] Marcos Giron v Antoine Hoang [150] | 6-3,6-4,7-5 | |
| ATP - Winston Salem | 08/27 01:35 | 27 | [65] Marcos Giron v Carlos Alcaraz [54] | 6-7,2-6 | |
| ATP - Winston Salem | 08/25 23:20 | 26 | [104] Pierre-Hugues Herbert v Marcos Giron [65] | 6-4,3-6,3-6 | |
| ATP - Winston Salem | 08/24 23:40 | 25 | [65] Marcos Giron v Federico Delbonis [47] | 6-3,6-4 | |
| ATP - Winston Salem | 08/23 00:15 | 24 | [66] Marcos Giron v Facundo Bagnis [82] | 7-5,6-4 | |
| ATP - Cincinnati | 08/17 15:00 | 24 | [38] Alexander Bublik v Marcos Giron [65] | 3-6,6-3,7-6 | |
| ATP - Cincinnati | 08/15 19:55 | 19 | Dominik Koepfer v Marcos Giron | 6-7,4-6 | |
| ATP - Cincinnati | 08/14 20:35 | 14 | Jeffrey John Wolf v Marcos Giron | 3-6,3-6 | |
| ATP - Toronto | 08/07 16:35 | 46 | [64] Marcos Giron v Brayden Schnur [250] | 2-6,3-6 | |
| ATP - Washington | 08/03 21:10 | 25 | [64] Marcos Giron v Cameron Norrie [29] | 4-6,3-6 | |
| ATP - Washington | 08/02 19:50 | 24 | [64] Marcos Giron v Illya Marchenko [157] | 4-6,6-4,7-6 | |
| Olympische Spelen 2020 - Heren | 07/27 08:05 | 25 | [65] Marcos Giron v Kei Nishikori [69] | 6-7,6-3,1-6 | |
| Olympische Spelen 2020 - Heren | 07/25 07:00 | 24 | [98] Norbert Gombos v Marcos Giron [64] | 6-7,6-3,2-6 | |
| Wimbledon | 07/01 15:30 | 24 | [18] Hubert Hurkacz v Marcos Giron [66] | 6-3,6-2,6-4 | |
| Wimbledon | 06/30 11:20 | 23 | [76] Emil Ruusuvuori v Marcos Giron [66] | 4-6,6-2,2-6,6-0,4-6 | |
| ATP - Halle | 06/18 12:50 | 27 | [75] Marcos Giron v Felix Auger Aliassime [21] | 3-6,2-6 | |
| ATP - Halle | 06/16 14:55 | 26 | [45] Jan-Lennard Struff v Marcos Giron [75] | 7-6,3-6,4-6 | |
| ATP - Halle | 06/14 11:25 | 25 | [66] Vasek Pospisil v Marcos Giron [75] | 6-7,6-7 | |
| ATP - Halle | 06/13 09:00 | 19 | [84] Marcos Giron v Daniel Elahi Galan [107] | 6-4,7-6 | |
| ATP - Halle | 06/12 13:00 | 14 | [84] Marcos Giron v Dominic Stephan Stricker [335] | 6-4,7-5 | |
| ATP - Stuttgart | 06/07 11:50 | 14 | [122] Gregoire Barrere v Marcos Giron [84] | 6-3,6-2 | |
| French Open | 06/04 13:25 | 25 | [84] Marcos Giron v Cristian Garin [23] | 1-6,7-5,2-6,2-6 | |
| French Open | 06/02 14:00 | 24 | [84] Marcos Giron v Guido Pella [61] | 7-6,6-1,6-7,6-4 | |
| French Open | 05/30 13:15 | 23 | [17] Grigor Dimitrov v Marcos Giron [82] | Retired |
Wikipedia - Marcos Giron
Marcos Giron (Thousand Oaks, 24 juli 1993) is een Amerikaanse tennisspeler. Hij heeft nog geen ATP-toernooi gewonnen. Wel deed hij al mee aan een grandslamtoernooi. Hij heeft geen challengers op zijn naam staan.