Sachie Ishizu defeated Tomoko Dokei 6-2 6-2 in the Nonthaburi 10K round of 32 on hard. The upset overturned the form book — Tomoko Dokei came in leading the head-to-head 1–0, but Sachie Ishizu had been the form player, winning 5 of their last 6 on hard. Sachie Ishizu claimed a first win over Tomoko Dokei in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-28 | Gunma 25K | R32 | carpet | Tomoko Dokei | 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.