Akiko Yonemura defeated Katie Ruckert 6-2 7-5 in the Tsukuba 25K round of 32 on hard. The upset overturned the form book — Katie Ruckert came in leading the head-to-head 1–0. Akiko Yonemura claimed a first win over Katie Ruckert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-30 | Waterloo 25K | R16 | clay | Katie Ruckert | 6-2 3-6 6-2 |