Yu Jin Ahn defeated Boyoung Jeong 6-0 6-4 in the W15 Nakhon Si Thammarat 4 round of 16 on hard. The upset overturned the form book — Boyoung Jeong came in ranked #397, leading the head-to-head 2–0. Yu Jin Ahn claimed a first win over Boyoung Jeong in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-10-04 | W15 Yeongwol 2 | QF | hard | Boyoung Jeong | 6-3 6-7(4) 6-2 |
| 2024-08-22 | W15 Nakhon Si Thammarat 5 | R16 | hard | Boyoung Jeong | 6-2 6-3 |
Averages over each player's completed matches in the selected window (102 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