Kazue Takuma defeated Yoon Jeong Cho 6-3 7-5 in the Saga 25K qualifying round on carpet. The upset overturned the form book — Yoon Jeong Cho came in leading the head-to-head 2–0. Kazue Takuma claimed a first win over Yoon Jeong Cho in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-16 | Noda 25K | R16 | hard | Yoon Jeong Cho | 6-1 6-2 |
| 1996-03-27 | Bandung 10K | SF | hard | Yoon Jeong Cho | 3-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.