Stadium: Court 7 Round: 28 Ground: Hardcourt outdoor
| Challenger Cordenons | 2021/08/01 15:00 | JC Aragone v Alejandro Gonzalez | 3-6,7-6,3-6 |
| Challenger Cary | 2021/09/13 17:00 | JC Aragone v Mikael Torpegaard | 3-6,6-2,6-3 |
| Challenger Cassis | 2021/09/05 09:35 | Laurent Lokoli v JC Aragone | 4-6,6-4,6-3 |
| Challenger Saint-Tropez | 2021/08/31 08:30 | Thanasi Kokkinakis v JC Aragone | 6-3,7-5 |
| ATP Winston-Salem | 2021/08/21 20:05 | JC Aragone v Noah Rubin | 6-7,6-1,4-6 |
| Challenger Prague | 2021/08/10 08:00 | Filip Cristian Jianu v JC Aragone | 6-0,6-2 |
| Challenger Cordenons | 2021/08/01 15:00 | JC Aragone v Alejandro Gonzalez | 3-6,7-6,3-6 |
| Challenger Segovia | 2021/07/27 08:00 | Malek Jaziri v JC Aragone | 6-7,6-2,6-1 |
| Challenger Tampere | 2021/07/19 15:30 | JC Aragone v Pedja Krstin | 4-6,4-6 |
| Challenger Mallorca | 2021/09/01 15:05 | Alejandro Gonzalez v Jan Zielinski | 7-6,6-7,4-6 |
| Challenger Mallorca | 2021/08/31 08:00 | Jan Zielinski v Alejandro Gonzalez | 1-6,2-6 |
| Challenger Mallorca | 2021/08/30 13:00 | Ruan Roelofse v Alejandro Gonzalez | 6-7,2-6 |
| ITF M25 Caslano | 2021/08/28 11:30 | Remy Bertola v Alejandro Gonzalez | 6-2,6-4 |
| ITF M25 Caslano | 2021/08/27 09:30 | Alejandro Gonzalez v Mateus Alves | 6-3,3-6,7-6 |
| ITF M25 Caslano | 2021/08/26 08:30 | Alejandro Gonzalez v Jakub Paul | 6-2,7-5 |
| ITF M25 Caslano | 2021/08/25 13:10 | Alejandro Gonzalez v Noah Schlagenhauf | 6-4,6-1 |
| ITF M25 Muttenz | 2021/08/20 15:30 | Alejandro Gonzalez v Jakub Paul | 4-6,1-6 |