Stadium: Court 1 Round: 25 Ground: Clay
| 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 |
| UTR Pro Tennis Series Cancun | 2021/04/10 16:00 | Wilson Leite v Jean-Baptiste Badon | 6-3,6-1 |
| UTR Pro Tennis Series Cancun | 2021/04/09 14:30 | Clemens Graute v Wilson Leite | 4-6,2-5 |
| ITF M15 Sarajevo | 2021/06/02 12:50 | Tim Heger v Hernan Casanova | 1-6,6-3,2-6 |
| ITF M15 Sarajevo | 2021/06/01 08:00 | Tim Heger v Moritz Trocker | 6-3,7-6 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Tim Heger v Erdem Isitan | 6-4,4-6,10-7 |
| ITF M25 Kiseljak | 2021/05/27 10:30 | Tim Heger v Matheus Pucinelli De Almeida | 3-6,3-6 |
| ITF M25 Kiseljak | 2021/05/26 10:00 | Domagoj Biljesko v Tim Heger | 6-7,6-2,3-6 |
| ITF M25 Kiseljak | 2021/05/25 08:00 | Tim Heger v Marino Jakic | 6-3,6-7,10-1 |
| ITF M25 Kiseljak | 2021/05/24 08:00 | Tim Heger v Luka Puljic | 6-4,6-3 |
| ITF M25 Kiseljak | 2021/05/23 08:15 | Tim Heger v Joris Hoogland | 7-6,6-4 |