Shiho Hisamatsu defeated Tomoyo Takagishi 7-5 6-4 in the Gunma 25K qualifying round on carpet. The result followed the form book — Shiho Hisamatsu came in leading the head-to-head 4–0. Shiho Hisamatsu extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Makinohara 25K | R32 | carpet | Shiho Hisamatsu | 6-4 7-5 |
| 2006-10-23 | Hamanako 25K | R32 | carpet | Shiho Hisamatsu | 6-2 6-3 |
| 2005-10-31 | Sutama 25K | R32 | clay | Shiho Hisamatsu | 6-0 6-7(4) 6-0 |
| 2004-09-06 | Ibaraki 25K | QF | hard | Shiho Hisamatsu | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.