Mitsuko Ise defeated Tomoko Taira 7-5 6-2 in the Sutama 10K round of 32 on clay. The upset overturned the form book — Tomoko Taira came in leading the head-to-head 2–0. Mitsuko Ise claimed a first win over Tomoko Taira in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-12 | Bulungan 10K | R16 | hard | Tomoko Taira | 3-6 7-5 6-3 |
| 2006-09-11 | Hiroshima 10K | R32 | carpet | Tomoko Taira | 6-2 2-6 6-4 |