| UTR Pro Tennis Series Manzanillo | 2021/08/15 13:00 | Rafael De Alba v Guillermo Castaneda | 6-3,5-3 |
| UTR Pro Tennis Series Manzanillo | 2021/08/14 16:00 | Guillermo Castaneda v Lazaro Navarro-Batles | 6-1,6-1 |
| UTR Pro Tennis Series Manzanillo | 2021/08/13 14:30 | Guillermo Castaneda v Luciano Doria | 4-6,4-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/11 14:00 | Guillermo Castaneda v Maximiliano Estevez | 6-7,1-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/10 16:00 | Guillermo Castaneda v Alan Sau Franco | 3-6,3-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/09 13:00 | Alexander Richards v Guillermo Castaneda | 5-7,7-6,2-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/08 13:00 | Alejandro Hayen v Guillermo Castaneda | 6-0,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/07 16:00 | Luis Pineda v Guillermo Castaneda | 3-6,0-6 |
| UTR Pro Tennis Series Dallas | 2021/09/04 13:00 | Alejandro Moreno v Manuel S Montemayor | 6-2,7-5 |
| UTR Pro Tennis Series Manzanillo | 2021/08/14 13:00 | Manuel S Montemayor v Alan Magadan | 6-1,2-6,5-7 |
| UTR Pro Tennis Series Manzanillo | 2021/08/13 13:00 | Manuel S Montemayor v Jose Antonio Rodriguez Rodriguez | 6-2,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/08/12 14:30 | Manuel S Montemayor v Gerardo L Villasenor | 5-7,4-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/11 13:00 | Nathan Oppenheim v Manuel S Montemayor | 1-6,1-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/10 14:30 | Rafael De Alba v Manuel S Montemayor | 1-6,2-5 |
| UTR Pro Tennis Series Manzanillo | 2021/08/07 15:00 | Gerardo L Villasenor v Manuel S Montemayor | 3-6,6-4,6-1 |
| UTR Pro Tennis Series Manzanillo | 2021/08/06 15:00 | Emiliano Elizarraras v Manuel S Montemayor | 0-6,1-5 |