| ATP - Parma | 05/23 13:35 | 25 | [446] Flavio Cobolli v Marcos Giron [82] | 3-6,7-6,7-6 | |
| ATP - Rome | 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 | |
| Australian 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 - Parijs | 11/05 11:35 | 26 | [91] Marcos Giron v Milos Raonic [17] | 6-7,2-6 | |
| ATP - Parijs | 11/03 21:00 | 25 | [10] Matteo Berrettini v Marcos Giron [91] | 6-7,7-6,5-7 | |
| ATP - Parijs | 11/02 11:45 | 24 | [46] Albert Ramos-Vinolas v Marcos Giron [86] | 3-6,6-4,1-6 | |
| ATP - Parijs | 11/01 10:00 | 19 | [54] Laslo Djere v Marcos Giron [86] | 6-7,6-7 | |
| ATP - Parijs | 10/31 09:00 | 14 | [100] Roberto Carballes Baena v Marcos Giron [86] | 4-6,1-6 | |
| ATP - Antwerpen | 10/23 16:55 | 27 | [94] Marcos Giron v Alex De Minaur [29] | 3-6,0-6 | |
| ATP - Antwerpen | 10/22 19:10 | 26 | [14] David Goffin v Marcos Giron [94] | 3-6,5-7 | |
| ATP - Antwerpen | 10/20 12:25 | 25 | Marcos Giron v Luca Nardi | 4-6,6-4,6-1 | |
| ATP - Antwerpen | 10/19 10:00 | 19 | [90] Marcos Giron v Yasutaka Uchiyama [95] | 7-6,6-2 | |
| ATP - Antwerpen | 10/18 10:00 | 14 | [90] Marcos Giron v Kamil Majchrzak [105] | 6-3,4-6,6-3 | |
| ATP - Keulen | 10/13 15:05 | 25 | [90] Marcos Giron v Marin Cilic [40] | 2-6,6-4,3-6 | |
| ATP - Keulen | 10/11 11:45 | 164 | [90] Lloyd Harris v Marcos Giron [96] | 2-6,6-4,6-2 | |
| ATP - Keulen | 10/10 13:55 | 64 | [203] Rudolf Molleker v Marcos Giron [96] | 4-6,3-6 |
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.