Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Loule | 2021/10/12 13:00 | Lucas Gerch v Corentin Denolly | 4-6,6-3,6-2 |
| Challenger Lisbon | 2021/09/27 11:30 | Lucas Gerch v Daniel Michalski | 6-7,3-6 |
| Challenger Lisbon | 2021/09/26 10:45 | Christopher Heyman v Lucas Gerch | 4-6,7-6,5-7 |
| ITF M25 Pardubice | 2021/09/22 08:00 | Tim Handel v Lucas Gerch | 7-6,7-5 |
| ITF M25 Madrid | 2021/09/15 09:20 | Lucas Gerch v Alberto Barroso Campos | 4-6,6-7 |
| Challenger Seville | 2021/09/07 11:00 | Lucas Gerch v Carlos Taberner | 1-6,4-6 |
| Challenger Seville | 2021/09/06 09:00 | Mats Rosenkranz v Lucas Gerch | 3-6,7-5,4-6 |
| Challenger Seville | 2021/09/05 10:30 | Alberto Barroso Campos v Lucas Gerch | 2-6,1-6 |
| Challenger Lima | 2021/09/27 15:00 | Jorge Panta v Alejandro Gonzalez | 7-5,7-5 |
| Challenger Lima | 2021/09/26 16:00 | Arklon H D Pino v Alejandro Gonzalez | 4-6,7-6,6-7 |
| Challenger Ambato | 2021/09/21 15:00 | Alejandro Gonzalez v Pedro Sakamoto | 3-6,4-6 |
| Challenger Ambato | 2021/09/20 15:00 | Alejandro Gonzalez v Pol Martin Tiffon | 3-6,4-6 |
| Challenger Ambato | 2021/09/19 17:10 | Alejandro Gonzalez v Alejandro Mendoza | 6-2,6-2 |
| Challenger Quito | 2021/09/16 15:00 | Pol Martin Tiffon v Alejandro Gonzalez | 4-6,7-6,6-3 |
| Challenger Quito | 2021/09/14 19:35 | Alejandro Gonzalez v Luca Castelnuovo | 6-2,7-6 |
| Challenger Mallorca | 2021/09/01 15:05 | Alejandro Gonzalez v Jan Zielinski | 7-6,6-7,4-6 |