Head to Head includes singles and doubles results.
| 10/07/15 | Daniel Kirsch over Nikolay Nikolaev | 10-8 | |
| 05/20/15 | Nikolay Nikolaev over Daniel Kirsch | 10-6 | |
| 04/26/13 | Nikolay Nikolaev over Daniel Kirsch | 6-1; 7-5 | |
| 09/21/12 | Nikolay Nikolaev over Daniel Kirsch | 6-1; 6-2 | |
| 04/17/12 | Nikolay Nikolaev over Daniel Kirsch | 6-1; 3-6; 6-3 | |
| 09/09/11 | Nikolay Nikolaev over Daniel Kirsch | 6-1; 6-1 |
