Chiaki Okadaue defeated Tomoyo Takagishi 6-2 4-6 6-3 in the Gunma 25K round of 32 on carpet. Chiaki Okadaue extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Makinohara 25K | R16 | carpet | Chiaki Okadaue | 1-6 6-2 6-2 |
| 2005-09-12 | Hiroshima 10K | SF | carpet | Tomoyo Takagishi | 2-6 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.