Timea Jaruskova defeated Nikola Breckova 6-3 1-6 6-3 in the W15 Olomouc 1 round of 16 on clay. The upset overturned the form book — Nikola Breckova came in leading the head-to-head 1–0, but Timea Jaruskova had been the form player, winning 2 of their last 4 on clay. Timea Jaruskova claimed a first win over Nikola Breckova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-12-04 | W15 Jablonec Nad Nisou 1 | R32 | carpet | Nikola Breckova | 4-6 7-6(3) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.