Verginie Tchakarova defeated Eleonore Tchakarova 6-3 6-3 in the W15 Cancun 7 q32 on hard. The upset overturned the form book — Eleonore Tchakarova came in leading the head-to-head 3–2, but Verginie Tchakarova had been the form player, winning 3 of their last 7 on hard. Verginie Tchakarova narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-12-16 | W15 Cancun 8 | R16 | hard | Eleonore Tchakarova | 6-3 6-0 |
| 2021-09-05 | W15 Varna 1 | Q64 | clay | Verginie Tchakarova | 6-3 1-3 |
| 2021-05-10 | W25 Salinas | Q32 | hard | Eleonore Tchakarova | 6-3 2-3 |
| 2019-10-07 | W25 Hilton Head Island | Q32 | clay | Eleonore Tchakarova | 6-4 6-3 |
| 2019-08-26 | W15 Vrnjacka Banja 1 | Q64 | clay | Verginie Tchakarova | 2-6 6-2 11-9 |