Kai Chen Chang defeated Shiho Hisamatsu 6-3 6-2 in the Gunma 25K round of 32 on carpet. Kai Chen Chang extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-19 | Nagano 25K | R32 | carpet | Shiho Hisamatsu | 6-4 7-6(6) |
| 2006-11-13 | Kaohsiung 75K | R16 | hard | Kai Chen Chang | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (160 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About