Stadium: Court 3 Round: 14 Ground: Clay
| ITF M25 Skopje | 2021/10/03 09:00 | Louis Wessels v Matteo Arnaldi | 1-6,0-6 |
| ITF M25 Skopje | 2021/10/02 09:30 | Aldin Setkic v Louis Wessels | 2-6,7-6,3-6 |
| ITF M25 Skopje | 2021/10/01 14:30 | Louis Wessels v Clement Tabur | 7-5,6-1 |
| ITF M25 Skopje | 2021/10/01 08:00 | Louis Wessels v Besir Durguti | 6-0,6-1 |
| ITF M25 Skopje | 2021/09/29 09:40 | Louis Wessels v Felix Gill | 6-1,6-2 |
| ITF M25 Madrid | 2021/09/19 08:50 | Luca Nardi v Louis Wessels | 7-5,6-2 |
| ITF M25 Madrid | 2021/09/18 13:00 | Louis Wessels v Carlos Lopez Montagud | 4-6,6-3,7-6 |
| ITF M25 Madrid | 2021/09/17 10:45 | Valentin Lapalu v Louis Wessels | 3-6,3-6 |
| Challenger Barcelona | 2021/10/05 14:00 | Alvaro Lopez San Martin v Nuno Borges | 1-6,0-6 |
| Challenger Barcelona | 2021/10/04 13:00 | Alvaro Lopez San Martin v Georgii Kravchenko | 2-6,4-6 |
| Challenger Barcelona | 2021/10/03 08:00 | Alvaro Lopez San Martin v Daniel Rincon | 4-6,7-5,6-3 |
| Challenger Murcia | 2021/09/27 13:25 | Alexander Ritschard v Alvaro Lopez San Martin | 6-1,7-6 |
| Challenger Seville | 2021/09/08 17:45 | Pablo Andujar v Alvaro Lopez San Martin | 3-6,6-1,6-4 |
| Challenger Seville | 2021/09/07 09:00 | Alvaro Lopez San Martin v Benjamin Winter Lopez | 6-4,4-6,6-1 |
| ITF M25 Oviedo | 2021/09/04 10:00 | Oriol Roca Batalla v Alvaro Lopez San Martin | 7-6,6-1 |
| ITF M25 Oviedo | 2021/09/03 09:00 | Alvaro Lopez San Martin v Alejandro Garcia | 6-2,6-0 |