Stadium: Cancha 1 Round: 25 Ground: Clay
| ITF M25 Lima | 2021/10/05 15:00 | Pol Martin Tiffon v Antonio Cayetano March | 6-2,6-2 |
| Challenger Ambato | 2021/09/21 15:00 | Alejandro Gomez v Antonio Cayetano March | 6-3,6-4 |
| Challenger Quito | 2021/09/13 17:10 | Mathieu Perchicot v Antonio Cayetano March | 6-4,6-0 |
| ITF M15 Ulcinj | 2021/09/03 09:00 | Antonio Cayetano March v Juan Pablo Paz | 1-6,6-4,3-6 |
| ITF M15 Ulcinj | 2021/09/02 08:30 | Antonio Cayetano March v Aristotelis Thanos | 7-6,6-4 |
| ITF M15 Ulcinj | 2021/09/01 13:30 | Antonio Cayetano March v Simon A Ivanov | 7-6,6-1 |
| ITF M15 Huy | 2021/08/27 13:00 | Gauthier Onclin v Antonio Cayetano March | 6-3,6-2 |
| ITF M15 Huy | 2021/08/26 09:00 | Antonio Cayetano March v Simon Beaupain | 6-7,6-4,6-2 |
| Challenger Santiago | 2021/10/03 19:50 | Gilbert S K Junior v Carlos Gomez-Herrera | 6-3,2-6,3-6 |
| ITF M25 Medellin | 2021/09/19 15:00 | Gilbert S K Junior v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/18 14:50 | Pedro Sakamoto v Gilbert S K Junior | 3-6,6-7 |
| ITF M25 Medellin | 2021/09/17 15:00 | Gilbert S K Junior v Alan Kohen | 6-2,4-6,6-1 |
| ITF M25 Medellin | 2021/09/16 15:00 | Gilbert S K Junior v Mateo Gomez | 6-3,6-3 |
| ITF M25 Medellin | 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 Lodz | 2021/08/21 08:00 | Gilbert S K Junior v Maciej Rajski | 4-6,6-7 |