Stadion: Court 1 Round: 25 Ground: Clay
| 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 |
| UTR Pro Tennis Series - Cancun | 2021/04/11 15:00 | Wilson Leite v Juan Sebastian Gomez | 3-6,4-6 |
| ITF - M15 - Esch/Alzette | 2021/07/19 09:00 | Tim Heger v Andreja Petrovic | 2-6,4-6 |
| ITF - M15 - Esch/Alzette | 2021/07/18 09:50 | Tim Heger v Moritz Poswiat | 7-6,4-6,11-9 |
| ITF - M25 - Telfs | 2021/07/13 09:10 | Tim Heger v Francisco Vittar | 5-7,6-3,7-10 |
| ITF - M25 - Telfs | 2021/07/12 09:40 | Tim Heger v Roman Postolka | 7-5,6-3 |
| ITF - M25 - Velenje | 2021/07/06 10:10 | Peter Goldsteiner v Tim Heger | 6-1,6-4 |
| ITF - M25 - Velenje | 2021/07/05 13:50 | Marco De Rosa v Tim Heger | 4-6,2-6 |
| ITF - M25 - Velenje | 2021/07/04 07:30 | Alexis Boureau v Tim Heger | 4-6,4-6 |
| ITF - M25 - Belgrad | 2021/06/28 10:00 | Tim Heger v Strahinja Rakic | 1-6,3-6 |