Boyoung Jeong defeated Yugyeong Oh 1-6 6-0 6-0 in the W15 Luan 6 round of 16 on hard. The upset overturned the form book — Yugyeong Oh came in leading the head-to-head 1–0. Boyoung Jeong claimed a first win over Yugyeong Oh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-15 | W25 Incheon | Q32 | hard | Yugyeong Oh | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.