Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Esch/Alzette | 2021/07/20 09:00 | Wilson Leite v Tim Heger | 6-4,6-3 |
| ITF M25 Marburg | 2021/07/06 17:25 | Jonathan Mridha v Wilson Leite | 6-2,6-4 |
| ITF M25 Wroclaw | 2021/06/28 09:30 | Wilson Leite v Yann Wojcik | 5-7,7-5,8-10 |
| ITF M15 Bergamo | 2021/06/22 18:25 | Pedro Boscardin Dias v Wilson Leite | 6-3,4-6,6-4 |
| ITF M25 Wichita | 2021/06/09 20:55 | Felix Corwin v Wilson Leite | 6-2,2-6,7-6 |
| ITF M25 Santo Domingo | 2021/06/02 13:25 | Kyle Seelig v Wilson Leite | 6-2,6-2 |
| ITF M25 Pensacola | 2021/05/19 19:45 | Wilson Leite v Nicolas Mejia | 7-5,3-6,4-6 |
| Challenger Salinas 2 | 2021/04/26 20:40 | Hernan Casanova v Wilson Leite | 7-5,6-2 |
| ITF M15 Esch/Alzette | 2021/07/20 08:55 | Deney Wassermann v Luca Van Assche | 6-0,6-3 |
| ITF M15 Esch/Alzette | 2021/07/19 11:30 | Alexander Marinov v Deney Wassermann | 1-6,3-6 |
| ITF M15 Esch/Alzette | 2021/07/18 13:40 | Maksym Khalus v Deney Wassermann | 1-6,3-6 |
| Challenger Amersfoort | 2021/07/13 14:20 | Deney Wassermann v Kimmer Coppejans | 3-6,7-5,2-6 |
| Challenger Amersfoort | 2021/07/12 09:00 | Alvaro Lopez San Martin v Deney Wassermann | 4-6,4-6 |
| Challenger Amersfoort | 2021/07/11 11:40 | Deney Wassermann v Gauthier Onclin | 7-5,6-3 |
| ITF M25 Marburg | 2021/07/05 14:10 | Deney Wassermann v Tim Handel | 6-7,6-7 |
| ITF M25 Haag | 2021/06/27 08:00 | Deney Wassermann v Sidane Pontjodikromo | 4-6,3-6 |