Stadium: CAMPO 5 Round: 25 Ground: Clay
| ITF M25 Guayaquil | 2021/10/26 15:00 | Juan A H Serrano v Felipe Santamaria | 6-1,6-3 |
| ITF M15 Cancun | 2021/10/18 15:00 | Felipe Santamaria v Gabriel Evans | 1-6,1-6 |
| ITF M15 Cancun | 2021/10/17 18:00 | Felipe Santamaria v Fernando A. Z. Cantillana | 6-4,6-2 |
| ITF M15 Cancun | 2021/10/10 17:00 | Felipe Santamaria v Alfredo Casso | 5-7,1-6 |
| ITF M15 Cancun | 2021/10/03 14:00 | Felipe Santamaria v Andres Urrea | 3-6,4-6 |
| ITF M25 Medellin | 2021/09/14 18:00 | Mateo Gomez v Felipe Santamaria | 6-1,6-2 |
| ITF M15 Ibague | 2021/09/08 17:00 | Enrique Pena v Felipe Santamaria | 6-0,6-4 |
| ITF M15 Ibague | 2021/09/07 14:00 | Felipe Santamaria v Felipe Escobar | 2-6,7-5,10-6 |
| Challenger Guayaquil | 2021/11/01 22:00 | Alvaro Guillen Meza v Darian King | 6-0,3-6,4-6 |
| ITF M25 Guayaquil | 2021/10/28 15:00 | Oliver Crawford v Alvaro Guillen Meza | 6-3,6-2 |
| ITF M25 Guayaquil | 2021/10/26 18:00 | Alvaro Guillen Meza v Enrique Ordonez | 6-0,6-0 |
| ITF M25 Lima | 2021/10/14 15:00 | Alvaro Guillen Meza v Oriol Roca Batalla | 4-6,2-6 |
| ITF M25 Lima | 2021/10/12 16:35 | Boris Arias v Alvaro Guillen Meza | 6-7,3-6 |
| ITF M25 Lima | 2021/10/11 15:00 | Alvaro Guillen Meza v Jorge Jorge | 6-0,6-1 |
| ITF M25 Lima | 2021/10/05 15:00 | Alvaro Guillen Meza v Oriol Roca Batalla | 2-6,7-5,5-7 |
| Challenger Ambato | 2021/09/19 16:20 | Alvaro Guillen Meza v Patrick Kypson | 3-6,3-6 |