Yoon Jeong Cho defeated Sybille Bammer 6-2 6-2 in the Surbiton 25K round of 32 on grass. The result followed the form book — Yoon Jeong Cho came in leading the head-to-head 1–0. Yoon Jeong Cho extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-15 | Noda 25K | R32 | hard | Yoon Jeong Cho | 6-2 6-1 |
Averages over each player's completed matches in the selected window (15 vs 193). 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