Head to Head includes singles and doubles results.
| 06/29/23 | Daniel Sumlin over Nathan Johnson | 6-3; 6-4 | |
| 03/29/23 | Daniel Sumlin over Nathan Johnson | 6-0; 6-7; 6-4 | |
| 09/23/22 | Daniel Sumlin over Nathan Johnson | 6-1; 7-5 | |
| 08/29/22 | Nathan Johnson over Daniel Sumlin | 6-2; 5-7; 6-2 | |
| 07/22/22 | Daniel Sumlin over Nathan Johnson | 4-6; 6-2; 6-1 | |
| 07/06/22 | Nathan Johnson over Daniel Sumlin | 6-3; 3-6; 6-2 | |
| 06/23/22 | Daniel Sumlin over Nathan Johnson | 6-3; 2-6; 6-2 |
