Kyung Mi Chang defeated Shiho Hisamatsu 6-4 3-6 6-2 in the Obihiro 25K qualifying round on carpet. The upset overturned the form book — Shiho Hisamatsu came in leading the head-to-head 1–0. Kyung Mi Chang claimed a first win over Shiho Hisamatsu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-04 | Ibaraki 10K | F | hard | Shiho Hisamatsu | 7-5 6-7(3) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.