George Lazarov defeated Nikola Keremedchiev 7-6 6-4 in the M15 Sofia 1 q32 on clay. George Lazarov extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-08-12 | M15 Sofia 1 | Q32 | clay | George Lazarov | 6-0 6-2 |
| 2021-10-05 | M15 Sozopol 2 | Q16 | hard | Nikola Keremedchiev | 2-6 7-6(2) 10-3 |