Head to Head includes singles and doubles results.
| 04/28/24 | Brian Schaitkin over Marshall Donnelley | 6-1; 6-2 | |
| 09/16/23 | Brian Schaitkin over Marshall Donnelley | 10-6 | |
| 09/24/22 | Brian Schaitkin over Marshall Donnelley | 2-6; 6-1; 6-0 | |
| 07/08/22 | Brian Schaitkin over Marshall Donnelley | 10-3 | |
| 07/01/22 | Brian Schaitkin over Marshall Donnelley | 10-4 | |
| 09/14/21 | Brian Schaitkin over Marshall Donnelley | 6-4; 6-3 | |
| 08/24/21 | Brian Schaitkin over Marshall Donnelley |
7-6; 3-6; TB 11-9 |
|
| 06/20/21 | Brian Schaitkin over Marshall Donnelley | 6-4; 7-6 | |
| 06/13/21 | Marshall Donnelley over Brian Schaitkin | 6-4; 3-6; 6-4 |
