Stadium: Cancha 5 Round: 14 Ground: Clay
| ITF M15 Ulcinj | 2021/08/31 11:10 | Ivan Liutarevich v Jean Thirouin | 2-6,2-6 |
| ITF M25 Lesa | 2021/08/27 19:00 | Jean Thirouin v Matteo Martineau | 1-6,1-6 |
| ITF M25 Lesa | 2021/08/26 19:10 | Facundo Juarez v Jean Thirouin | 4-6,6-4,6-7 |
| ITF M25 Lesa | 2021/08/25 09:00 | Jean Thirouin v Alan Postay | 6-2,6-1 |
| ITF M15 Pescara | 2021/08/20 10:30 | Jean Thirouin v Arthur Reymond | 2-6,1-6 |
| ITF M15 Pescara | 2021/08/19 09:00 | Jean Thirouin v Andrea Del Federico | 7-5,6-2 |
| ITF M15 Pescara | 2021/08/17 08:00 | Davide Galoppini v Jean Thirouin | 5-7,6-1,3-6 |
| ITF M25 Pitesti | 2021/08/03 13:30 | Moez Echargui v Jean Thirouin | 6-3,6-2 |
| 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 |
| Challenger Cary | 2021/07/20 15:00 | Roberto Cid Subervi v Gonzalo Villanueva | 3-6,7-5,6-1 |