Subin Park defeated Gyung Eun Song 6-3 6-3 in the W15 Yeongwol 2 q64 on hard. The upset overturned the form book — Gyung Eun Song came in leading the head-to-head 1–0, but Subin Park had been the form player, winning 4 of their last 10 on hard. Subin Park claimed a first win over Gyung Eun Song in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-04 | W25 Daegu | Q32 | hard | Gyung Eun Song | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.