Head to Head includes singles and doubles results.
| 08/17/21 | Frank Krieger over Christopher Beyer | 6-2; 7-5 | |
| 07/09/21 | Frank Krieger over Christopher Beyer | 6-4; 7-6 | |
| 08/03/20 | Frank Krieger over Christopher Beyer | 6-1; 7-5 |
