Zuzana Zlochova defeated Yu Jin Ahn 6-4 6-1 in the Seoul $50K round of 32 on hard. The upset overturned the form book — Yu Jin Ahn came in leading the head-to-head 1–0, but Zuzana Zlochova had been the form player, winning 6 of their last 10 on hard. Zuzana Zlochova claimed a first win over Yu Jin Ahn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-03-15 | W15 Jakarta 1 | R32 | hard | Yu Jin Ahn | 6-3 3-6 6-4 |
Averages over each player's completed matches in the selected window (92 vs 118). 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