Amber Liu defeated Shiho Hisamatsu 7-5 0-6 6-0 in the Nagoya 25K round of 16 on hard. The upset overturned the form book — Shiho Hisamatsu came in leading the head-to-head 1–0. Amber Liu claimed a first win over Shiho Hisamatsu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-17 | Tsukuba 25K | R32 | hard | Shiho Hisamatsu | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.