Stadium: Pista Central Round: 14 Ground: Clay
| ITF M25 Plaisir | 2021/09/14 09:50 | Nicolas Alvarez Varona v Robin Bertrand | 5-7,3-6 |
| Challenger Mallorca | 2021/09/01 14:00 | Nicolas Alvarez Varona v Tomas Barrios Vera | 4-6,6-7 |
| ITF M25 Santander | 2021/08/29 09:30 | Nicolas Alvarez Varona v Alex M Pujolras | 7-6,2-6,6-2 |
| ITF M25 Santander | 2021/08/28 10:55 | Juan Bautista Torres v Nicolas Alvarez Varona | 3-6,3-6 |
| ITF M25 Santander | 2021/08/27 14:30 | Rio Noguchi v Nicolas Alvarez Varona | 1-6,4-6 |
| ITF M25 Santander | 2021/08/26 08:55 | Louis Dussin v Nicolas Alvarez Varona | 2-6,5-7 |
| ITF M25 Santander | 2021/08/25 10:00 | Toledo Bague, Pol v Nicolas Alvarez Varona | 3-6,4-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/18 10:05 | Nicolas Alvarez Varona v Dalibor Svrcina | 5-7,2-6 |
| ITF M15 Melilla | 2021/09/25 09:05 | Vernier, Michel v Alejandro Manzanera Pertusa | 2-6,7-5,4-6 |
| ITF M15 Melilla | 2021/09/24 11:25 | Vernier, Michel v Yunis, Facundo | 4-6,7-6,6-1 |
| ITF M25 Madrid | 2021/09/15 11:35 | Luca Nardi v Vernier, Michel | 6-3,7-5 |
| ITF M25 Madrid | 2021/09/14 06:55 | Vernier, Michel v Oscar Galimardanov | 6-4,6-4 |
| ITF M25 Madrid | 2021/09/13 10:00 | Vernier, Michel v Kirill Mishkin | 6-3,6-1 |
| Challenger Seville | 2021/09/05 09:00 | Emilio Nava v Vernier, Michel | 6-3,6-3 |
| ITF M25 Oviedo | 2021/09/02 08:55 | Oriol Roca Batalla v Vernier, Michel | 6-0,6-2 |
| ITF M25 Oviedo | 2021/09/01 10:00 | Vernier, Michel v Rodriguez, Cristian | 6-4,7-6 |