Head to Head includes singles and doubles results.
| 04/19/24 | Robert McMahon over Frank Fos | 7-6; 6-0 | |
| 03/22/24 | Robert McMahon over Frank Fos | 6-3; 6-0 | |
| 02/24/24 | Frank Fos over Robert McMahon | 6-2; 6-2 | |
| 12/26/23 | Frank Fos over Robert McMahon | 6-3; 6-7; 6-4 |
