Yoon Jeong Cho defeated Kyung Mi Chang 6-2 6-4 in the Gifu 50K round of 32 on carpet. The result followed the form book — Yoon Jeong Cho came in leading the head-to-head 2–0. Yoon Jeong Cho extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-06 | Fukuoka 50K | R32 | grass | Yoon Jeong Cho | 6-1 6-1 |
| 1999-05-03 | Seoul 25K | R32 | clay | Yoon Jeong Cho | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.