Yoon Jeong Cho defeated Wynne Prakusya 6-3 6-3 in the Jakarta 10K round of 16 on hard. Yoon Jeong Cho extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-04-26 | Fed Cup G1 RRB: INA vs KOR | RR | hard | Wynne Prakusya | 3-6 7-6 6-4 |
| 1998-10-12 | Seoul II 25K | R32 | hard | Yoon Jeong Cho | 6-4 2-6 7-5 |
Averages over each player's completed matches in the selected window (15 vs 1). 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. Small sample — read as indicative. About