Akari Inoue defeated Kyoka Okamura 6-2 2-6 7-5 in the Tokyo 10K round of 16 on hard. The upset overturned the form book — Kyoka Okamura came in leading the head-to-head 2–1, but Akari Inoue had been the form player, winning 4 of their last 8 on hard. Akari Inoue narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | Noto $25K | R16 | carpet | Kyoka Okamura | 6-0 6-1 |
| 2015-03-23 | Nishi Tama $10K | SF | hard | Kyoka Okamura | 3-6 6-4 6-4 |
| 2014-03-17 | Kofu 10K | R16 | hard | Akari Inoue | 4-6 6-4 6-4 |
Averages over each player's completed matches in the selected window (13 vs 200). 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. About