| UTR Pro Tennis Series Manzanillo | 2021/08/03 13:00 | Guillermo Castaneda v Alan Sau Franco | 5-7,4-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/02 13:00 | Guillermo Castaneda v Edson A S Elizondo | 6-4,6-7,4-5 |
| ITF México F3 | 2018/05/22 22:00 | Guillermo Castaneda v Pavel Krainik | 4-6,4-6 |
| ITF Mexico F2 | 2018/05/12 15:00 | Guillermo Castaneda v Nicolas Bruna | 3-6,4-6 |
| ITF Mexico F1 | 2018/05/07 15:00 | Samuel Shropshire v Guillermo Castaneda | 6-0,6-1 |
| ITF Mexico F1 | 2018/05/06 15:00 | Guillermo Castaneda v Esteban Bruna | 6-3,6-2 |
| ITF Mexico F1 | 2018/05/05 15:00 | Guillermo Castaneda v Aydan Gomez Osorio | 6-2,6-1 |
| ITF México F4 | 2015/05/19 19:15 | Luis David Martinez v Guillermo Castaneda | 6-3,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/03 13:00 | Edson A S Elizondo v Oscar M S Hirales | 4-6,3-5 |
| ATP Los Cabos | 2021/07/18 04:15 | Oscar M S Hirales v John-Patrick Smith | 1-6,2-6 |