Head to Head includes singles and doubles results.
| 06/20/21 | Bob Hacker over Chris Lange | 10-3 | Doubles Match |
| 06/21/21 | Bob Hacker over Chris Lange | 6-1; 6-1 | Doubles Match |
| 05/23/21 | Bob Hacker over Chris Lange | 6-1; 6-2 | Doubles Match |
