Katarina Kuzmova defeated Zhibek Kulambayeva 3-6 6-4 7-5 in the W25 Bydgoszcz round of 16 on clay. The upset overturned the form book — Zhibek Kulambayeva came in leading the head-to-head 1–0. Katarina Kuzmova claimed a first win over Zhibek Kulambayeva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-27 | W15 Sharm El Sheikh 10 | R32 | hard | Zhibek Kulambayeva | 6-2 7-5 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About