Stadium: Cancha 5 Round: 14 Ground: Clay
| Challenger Ambato | 2021/09/23 16:55 | Thiago Agustin Tirante v Carlos Gomez-Herrera | 7-6,3-6,7-6 |
| Challenger Ambato | 2021/09/20 20:00 | Carlos Gomez-Herrera v Eduard Esteve Lobato | 6-4,6-7,6-3 |
| Challenger Quito | 2021/09/14 21:05 | Carlos Gomez-Herrera v Adrian Menendez-Maceiras | 2-6,4-6 |
| Challenger Banja Luka | 2021/09/10 10:35 | Andrej Martin v Carlos Gomez-Herrera | 7-6,6-3 |
| Challenger Banja Luka | 2021/09/08 11:20 | Carlos Gomez-Herrera v Sumit Nagal | 7-5,6-3 |
| Challenger Banja Luka | 2021/09/06 14:30 | Drazen Petrovic v Carlos Gomez-Herrera | 1-6,0-6 |
| Challenger Mallorca | 2021/08/31 10:45 | Ramkumar Ramanathan v Carlos Gomez-Herrera | 6-7,6-4,7-5 |
| Challenger Prague | 2021/08/09 09:25 | Geoffrey Blancaneaux v Carlos Gomez-Herrera | 6-3,3-6,6-0 |
| Challenger Ambato | 2021/09/20 15:00 | Luca Castelnuovo v Matias Zukas | 3-6,6-7 |
| Challenger Ambato | 2021/09/19 15:00 | Gonzalo Villanueva v Luca Castelnuovo | 6-7,6-7 |
| Challenger Quito | 2021/09/14 19:35 | Alejandro Gonzalez v Luca Castelnuovo | 6-2,7-6 |
| 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 |