Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Cairo | 2021/04/20 10:05 | Hans Peter Kaufmann v Santiago De La Fuente | 0-6,4-6 |
| ITF M15 Cairo | 2021/04/19 08:00 | Santiago De La Fuente v Juan P Canas Garcia | 6-3,6-2 |
| ITF M15 Cairo | 2021/04/18 07:00 | Edoardo Zanada v Santiago De La Fuente | 6-4,1-6,7-10 |
| ITF M15 Cordoba | 2021/04/06 14:45 | Santiago De La Fuente v Mariano Kestelboim | 2-6,1-6 |
| ITF M15 Villa Maria | 2021/03/30 13:55 | Francisco Llanes v Santiago De La Fuente | 5-7,6-0,10-7 |
| ITF M15 Villa Maria | 2021/03/29 12:30 | Santiago De La Fuente v Alan Postay | 6-2,6-0 |
| ITF M15 Cairo | 2021/01/11 08:00 | Santiago De La Fuente v Jaime Caldes | 6-4,3-6,5-10 |
| ITF M15 Cairo | 2021/01/10 08:00 | Nikita Kashirin v Santiago De La Fuente | 6-4,4-6,7-10 |
| ITF M15 Cairo | 2021/04/16 08:30 | Carlos Lopez Montagud v Daniel Michalski | 3-6,6-3,4-6 |
| ITF M15 Cairo | 2021/04/14 15:10 | Carlos Lopez Montagud v Alexis Musialek | 5-7,7-6,6-3 |
| ITF M25 La Nucia | 2021/03/15 08:30 | Carlos Lopez Montagud v Pol Amoros Ramos | 4-6,6-4,15-17 |
| ITF M25 La Nucia | 2021/03/14 08:00 | Carlos Lopez Montagud v Mario Mansilla Diez | 6-2,6-4 |
| ITF M15 La Nucia | 2021/03/10 09:30 | Carlos Lopez Montagud v Carlos Sanchez Jover | 6-7,2-6 |
| ITF M15 Antalya | 2021/02/18 11:00 | Carlos Lopez Montagud v Pedro Cachin | 1-6,0-6 |
| ITF M15 Antalya | 2021/02/17 07:00 | Carlos Lopez Montagud v Danylo Veremeychuk | 6-2,6-3 |
| ITF M15 Antalya | 2021/02/16 11:00 | Pietro Rondoni v Carlos Lopez Montagud | 0-6,2-6 |