Stadium: Court 12 Round: 25 Ground: Clay
| ITF Italy F21 | 2018/07/31 08:00 | Wilson Leite v Gonzalo Villanueva | 2-6,2-6 |
| ITF M15 Recife | 2021/09/24 14:00 | Pedro Boscardin Dias v Wilson Leite | 7-6,7-6 |
| ITF M15 Recife | 2021/09/21 16:10 | Pedro Gabriel Rodrigues v Wilson Leite | 3-6,2-6 |
| ITF M25 Ricany | 2021/08/31 12:40 | Kaichi Uchida v Wilson Leite | 6-4,6-2 |
| ITF M25 Poznan | 2021/08/25 12:55 | Wilson Leite v Sebastian Gima | 4-6,6-3,3-6 |
| ITF M15 Lodz | 2021/08/21 10:30 | Wilson Leite v Yann Wojcik | 6-2,4-6,3-6 |
| ITF M15 Lodz | 2021/08/20 08:00 | Igor Marcondes v Wilson Leite | 2-6,1-6 |
| ITF M15 Lodz | 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 |
| Challenger Lima | 2021/09/26 18:20 | Jean Thirouin v Gonzalo Villanueva | 6-3,1-6,6-1 |
| Challenger Ambato | 2021/09/19 15:00 | Gonzalo Villanueva v Luca Castelnuovo | 6-7,6-7 |
| Challenger Quito | 2021/09/14 15:00 | Gonzalo Villanueva v Renzo Olivo | 4-6,4-6 |
| Challenger Tulln | 2021/09/06 08:00 | Neil Oberleitner v Gonzalo Villanueva | 7-5,6-2 |
| Challenger Tulln | 2021/09/05 10:40 | Pavel Nejedly v Gonzalo Villanueva | 2-6,4-6 |
| ITF M15 Zilina | 2021/09/01 12:25 | Gonzalo Villanueva v Peter Goldsteiner | 4-6,3-6 |
| ITF M25 Decatur | 2021/08/04 20:30 | Gonzalo Villanueva v Petros Chrysochos | 1-6,3-6 |
| Challenger Lexington | 2021/07/25 17:00 | Aidan Mchugh v Gonzalo Villanueva | 7-5,2-6,6-3 |