Stadium: Cancha Central Round: 25 Ground: Clay
| Challenger Ambato | 2021/09/23 15:00 | Gerald Melzer v Julian Lenz | 6-3,7-5 |
| Challenger Ambato | 2021/09/21 20:15 | Julian Lenz v Emilio Gomez | 6-4,7-6 |
| Challenger Seville | 2021/09/08 09:00 | Julian Lenz v Carlos Taberner | 3-6,3-6 |
| Challenger Seville | 2021/09/06 17:00 | Goncalo Oliveira v Julian Lenz | 2-6,6-4,2-6 |
| Challenger Como | 2021/08/31 15:15 | Julian Lenz v Jozef Kovalik | 5-7,2-6 |
| Challenger Warsaw | 2021/08/24 14:45 | Lukas Klein v Julian Lenz | 6-1,3-6,6-3 |
| Challenger Luedenscheid | 2021/08/21 12:35 | Julian Lenz v Nicolas Jarry | 1-6,4-6 |
| Challenger Luedenscheid | 2021/08/20 11:30 | Mirza Basic v Julian Lenz | 5-7,5-7 |
| ITF M25 Guayaquil | 2021/08/04 17:20 | Gonzalo Lama v Conner Huertas Del Pino | 6-2,6-4 |
| ITF M25 Portoviejo | 2021/08/01 15:00 | Arklon H D Pino v Conner Huertas Del Pino | 6-1,6-7,7-6 |
| ITF M25 Portoviejo | 2021/07/31 16:45 | Pol Martin Tiffon v Conner Huertas Del Pino | 6-0,6-7,3-6 |
| ITF M25 Portoviejo | 2021/07/30 16:40 | Conner Huertas Del Pino v Gonzalo Lama | 4-6,6-4,6-3 |
| ITF M25 Portoviejo | 2021/07/29 14:30 | Conner Huertas Del Pino v Juan Sebastian Gomez | 6-4,6-2 |
| ITF M25 Portoviejo | 2021/07/27 14:30 | Ricardo Rodriguez-Pace v Conner Huertas Del Pino | 5-7,6-7 |
| UTR Pro Tennis Series Atlanta | 2021/07/18 12:00 | Phillip Jordan v Conner Huertas Del Pino | 6-7,6-2,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/17 13:30 | Conner Huertas Del Pino v Jorge Panta | 6-2,6-2 |