Head to Head includes singles and doubles results.
| 07/04/22 | Leonard Sieger over Sanjiv Kumar | 6-1; 6-3 | |
| 09/26/21 | Leonard Sieger over Sanjiv Kumar | 6-2; 7-6 | |
| 06/04/21 | Leonard Sieger over Sanjiv Kumar |
6-3; 3-6; TB 10-6 |
|
| 09/13/20 | Leonard Sieger over Sanjiv Kumar | 6-1; 1-6; 6-4 |
