Head to Head includes singles and doubles results.
| 09/16/23 | Jason Williams over Nick Halverson | 6-1; 6-2 | |
| 09/21/17 | Jason Williams over Nick Halverson | 6-4; 2-6; 6-1 | |
| 06/10/17 | Jason Williams over Nick Halverson | 2-6; 7-5; 6-0 | |
| 05/11/17 | Nick Halverson over Jason Williams | 7-5; 6-4 |
