Rika Fujiwara defeated Natsumi Hamamura 6-2 6-2 in the Tokyo q32 on hard. The result followed the form book — Rika Fujiwara came in leading the head-to-head 3–1. Rika Fujiwara extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Obihiro-Tokachi 25K | R16 | carpet | Rika Fujiwara | 3-6 7-6(11) 6-2 |
| 2007-09-10 | Tokyo 50K | R16 | hard | Rika Fujiwara | 7-5 6-2 |
| 2007-07-02 | Nagoya 25K | R16 | hard | Natsumi Hamamura | 7-5 6-3 |
| 2007-05-21 | Nagano 25K | F | carpet | Rika Fujiwara | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.