Head to Head includes singles and doubles results.
| 06/02/23 | Alexander Kostal over Michael Brill | 6-3; 6-3 | |
| 09/04/21 | Alexander Kostal over Michael Brill | 4-6; 6-3; 6-4 | |
| 08/14/20 | Alexander Kostal over Michael Brill | 4-6; 6-4; 6-4 | Playoff Match |
| 08/04/20 | Alexander Kostal over Michael Brill |
6-3; 6-7; TB 10-2 |
|
| 07/12/20 | Michael Brill over Alexander Kostal | 6-4; 4-6; 6-3 |
