Shiho Hisamatsu defeated Chin Wei Chan 6-3 6-2 in the Nuriootpa 25K round of 16 on hard. The upset overturned the form book — Chin Wei Chan came in leading the head-to-head 1–0. Shiho Hisamatsu claimed a first win over Chin Wei Chan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-01 | Gifu 50K | R32 | carpet | Chin Wei Chan | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.