Eriko Mizuno defeated Moe Tsubuku 6-3 6-1 in the Kyoto 10K round of 32 on carpet. The upset overturned the form book — Moe Tsubuku came in leading the head-to-head 1–0. Eriko Mizuno claimed a first win over Moe Tsubuku in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-14 | Tokyo 2 10K | R16 | hard | Moe Tsubuku | 6-1 4-6 6-1 |