Estádio: Cancha 8 Round: 25 Ground: Clay
| Challenger - Maiorca | 2021/09/01 15:05 | Alejandro Gonzalez v Jan Zielinski | 7-6,6-7,4-6 |
| Challenger - Maiorca | 2021/08/31 08:00 | Jan Zielinski v Alejandro Gonzalez | 1-6,2-6 |
| Challenger - Maiorca | 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 |
| Challenger - Quito | 2021/09/13 16:20 | Luca Castelnuovo v Hugo Minda | 6-4,6-3 |
| ITF - M25 Sierre | 2021/09/03 10:00 | Rinky Hijikata v Luca Castelnuovo | 6-3,3-6,7-5 |
| ITF - M25 Sierre | 2021/09/02 07:55 | Luca Castelnuovo v Moez Echargui | 7-6,7-6 |
| ITF - M25 Sierre | 2021/08/31 16:30 | Luca Castelnuovo v Gian Luca Tanner | 7-5,6-3 |
| ITF - M25 Muttenz | 2021/08/19 10:35 | Luca Castelnuovo v Oscar Jose Gutierrez | 1-6,2-6 |
| ITF - M25 Muttenz | 2021/08/18 12:50 | Gabriele Moghini v Luca Castelnuovo | 6-7,1-6 |
| Challenger - Tampere | 2021/07/18 10:20 | Kyrian Jacquet v Luca Castelnuovo | 6-7,6-1,6-0 |
| Challenger - Amersfoort | 2021/07/11 14:25 | Michael Geerts v Luca Castelnuovo | 7-6,6-2 |