| 10/27/21 | Nick Sunderland over John Gardner | 10-3 | |
| 09/28/21 | Nick Sunderland over John Gardner | 6-0; 6-2 | |
| 08/18/21 | Nick Sunderland over John Gardner | 6-2; 6-1 | |
| 08/04/21 | Nick Sunderland over John Gardner |
6-3; 5-7; TB 10-5 |
|
| 06/26/21 | Nick Sunderland over John Gardner | 6-4; 6-1 | |
| 04/21/21 | Nick Sunderland over John Gardner | 6-2; 6-1 | |
| 04/10/21 | Nick Sunderland over John Gardner | 6-2; 6-1 | |
| 02/20/21 | Nick Sunderland over John Gardner | 6-4; 6-1 | |
| 12/07/20 | Nick Sunderland over John Gardner | 6-1; 6-3 | |
| 11/11/20 | Nick Sunderland over John Gardner | 6-0; 6-2 | |
| 09/17/20 | Nick Sunderland over John Gardner | 6-3; 6-3 | |
| 08/24/20 | Nick Sunderland over John Gardner | 7-6; 6-1 | |
| 08/03/20 | Nick Sunderland over John Gardner | 6-3; 6-0 | |
| 07/15/20 | Nick Sunderland over John Gardner | 6-3; 6-2 | |
| 06/11/20 | Nick Sunderland over John Gardner | 7-5; 7-5 | |
| 10/10/19 | Nick Sunderland over John Gardner | 6-0; 6-4 | |
| 08/31/19 | Nick Sunderland over John Gardner | 6-2; 6-1 | |
| 07/23/19 | Nick Sunderland over John Gardner | 6-4; 6-4 | |
| 07/12/19 | Nick Sunderland over John Gardner | 10-4 | |
| 10/13/18 | Nick Sunderland over John Gardner | 6-0; 6-0 | |
| 09/04/18 | Nick Sunderland over John Gardner | 6-4; 6-4 | |
| 05/04/18 | Nick Sunderland over John Gardner | 6-2; 6-2 | |
| 04/09/18 | Nick Sunderland over John Gardner | 6-1; 6-0 | |
| 09/23/17 | Nick Sunderland over John Gardner | 6-4; 5-7; 6-3 | |
| 08/31/17 | Nick Sunderland over John Gardner | 6-0; 6-4 |
