Estádio: Cancha 1 Round: 26 Ground: Clay
| ITF - M25 Medellín | 2021/09/19 15:00 | Gilbert S K Junior v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF - M25 Medellín | 2021/09/18 14:50 | Pedro Sakamoto v Gilbert S K Junior | 3-6,6-7 |
| ITF - M25 Medellín | 2021/09/17 15:00 | Gilbert S K Junior v Alan Kohen | 6-2,4-6,6-1 |
| ITF - M25 Medellín | 2021/09/16 15:00 | Gilbert S K Junior v Mateo Gomez | 6-3,6-3 |
| ITF - M25 Medellín | 2021/09/14 18:05 | Gilbert S K Junior v Enrique Bogo | 6-1,6-2 |
| ITF - M25 Poznan | 2021/08/25 10:00 | Harry Wendelken v Gilbert S K Junior | 3-6,6-4,6-2 |
| ITF - M15 Łódź | 2021/08/21 08:00 | Gilbert S K Junior v Maciej Rajski | 4-6,6-7 |
| ITF - M15 Łódź | 2021/08/20 10:15 | Daniel Michalski v Gilbert S K Junior | 6-4,3-6,3-6 |
| Challenger - Lima | 2021/09/28 16:45 | Nicolas Kicker v Carlos Gomez-Herrera | 6-4,2-6,6-4 |
| Challenger - Lima | 2021/09/27 16:50 | Carlos Gomez-Herrera v Jean Thirouin | 6-1,3-6,6-1 |
| Challenger - Lima | 2021/09/26 20:50 | Carlos Gomez-Herrera v Luca Castelnuovo | 7-5,6-0 |
| 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 |