Head to Head includes singles and doubles results.
| 08/07/23 | Brian Zellmer over Timothy Harwood | 9-7 | |
| 08/21/23 | Timothy Harwood over Brian Zellmer | 7-5 | |
| 05/30/23 | Timothy Harwood over Brian Zellmer | 10-3 | |
| 12/10/22 | Timothy Harwood over Brian Zellmer | 6-2; 6-4 |
