Stadium: Stadium Court Round: 27 Ground: Hardcourt outdoor
| ITF M15 Bergamo | 2021/06/22 18:25 | Pedro Boscardin Dias v Wilson Leite | 6-3,4-6,6-4 |
| ITF M15 Recife | 2021/09/23 13:30 | Pedro Boscardin Dias v Enrique Bogo | 7-6,6-1 |
| ITF M15 Recife | 2021/09/21 22:40 | Pedro Boscardin Dias v Mateo Barreiros Reyes | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/16 15:00 | Pedro Boscardin Dias v Juan A H Serrano | 3-6,4-6 |
| ITF M25 Medellin | 2021/09/15 16:35 | Pedro Boscardin Dias v Gustavo Heide | 6-3,3-6,6-3 |
| ITF M15 Ibagué | 2021/09/09 16:10 | Pedro Boscardin Dias v Gustavo Heide | 1-6,1-6 |
| ITF M15 Ibagué | 2021/09/07 15:40 | Sergio Luis H Ramirez v Pedro Boscardin Dias | 2-6,3-6 |
| ITF M15 Novi Sad | 2021/08/06 09:00 | Filip Misolic v Pedro Boscardin Dias | 6-3,6-1 |
| ITF M15 Novi Sad | 2021/08/05 12:00 | Pedro Boscardin Dias v Bastian Malla | 2-6,6-3,6-3 |
| ITF M15 Recife | 2021/09/21 16:10 | Pedro Gabriel Rodrigues v Wilson Leite | 3-6,2-6 |
| ITF M25 Říčany | 2021/08/31 12:40 | Kaichi Uchida v Wilson Leite | 6-4,6-2 |
| ITF M25 Poznań | 2021/08/25 12:55 | Wilson Leite v Sebastian Gima | 4-6,6-3,3-6 |
| ITF M15 Łódź | 2021/08/21 10:30 | Wilson Leite v Yann Wojcik | 6-2,4-6,3-6 |
| ITF M15 Łódź | 2021/08/20 08:00 | Igor Marcondes v Wilson Leite | 2-6,1-6 |
| ITF M15 Łódź | 2021/08/17 08:00 | Robert Strombachs v Wilson Leite | 5-7,4-6 |
| ITF M15 Gdynia | 2021/08/10 12:25 | Wilson Leite v Jack Pinnington Jones | 2-6,3-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 08:30 | Wilson Leite v Shintaro Mochizuki | 6-7,6-1,0-6 |