Stadium: Court 6 Round: 25 Ground: Clay
| ITF M25 - Gandia | 2021/07/20 10:15 | Mario Mansilla Diez v Rayane Oumaouche | 6-0,7-5 |
| ITF M25 - Gandia | 2021/07/19 10:00 | Emilien Voisin v Mario Mansilla Diez | 5-7,1-6 |
| ITF M25 - Bakio | 2021/06/27 16:00 | Gabriel Diaz Freire v Mario Mansilla Diez | 6-4,3-6,10-6 |
| UTR Pro Tennis Series - Barcelona | 2021/06/26 09:30 | Rishab Agarwal v Mario Mansilla Diez | 6-2,5-4 |
| UTR Pro Tennis Series - Barcelona | 2021/06/25 08:00 | Ervin H Eminefendic v Mario Mansilla Diez | 4-6,6-2,2-6 |
| UTR Pro Tennis Series - Barcelona | 2021/06/23 08:00 | Constant De La Bassetiere v Mario Mansilla Diez | 6-1,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/06/22 09:30 | Marcelo Zormann v Mario Mansilla Diez | 7-5,6-3 |
| UTR Pro Tennis Series - Barcelona | 2021/06/21 08:00 | Mario Mansilla Diez v Alvaro Bueno Gil | 6-2,4-6,5-3 |
| ITF M25 - Pensacola | 2021/05/19 17:00 | Alejandro Gomez v Dayne Kelly | 4-6,4-6 |
| Challenger Cleveland | 2021/03/14 16:00 | Aleksandar Kovacevic v Alejandro Gomez | 6-2,2-6,6-4 |
| ITF M25 - Naples | 2021/02/24 21:15 | Alejandro Gomez v Matija Pecotic | 6-7,1-6 |
| ITF M25 - Naples | 2021/02/23 15:00 | Alejandro Gomez v Peter Bertran | 6-2,6-4 |
| ITF M25 - Naples | 2021/02/22 16:00 | Alejandro Gomez v Kiranpal Pannu | 6-1,4-6,12-10 |
| ITF M25 - Naples | 2021/02/16 17:55 | Alejandro Gomez v Clement Tabur | 3-6,1-6 |
| ITF M25 - Naples | 2021/02/15 16:00 | Alejandro Gomez v Reese Stalder | 6-3,6-4 |
| UTR Pro Tennis Series - Florida | 2020/09/24 12:00 | Adam El Mihdawy v Alejandro Gomez | 1-6,2-6 |