Head to Head includes singles and doubles results.
| 09/17/21 | Tomas Guillen over Mathew Delgado | 0-0 Walkover | Playoff Match |
| 07/16/21 | Mathew Delgado over Tomas Guillen | 6-0; 6-4 | Playoff Match |
| 05/22/21 | Mathew Delgado over Tomas Guillen | 6-4; 6-4 |
