Shuko Aoyama defeated Yumi Nakano 6-2 6-3 in the Makinohara 25K round of 16 on carpet. The upset overturned the form book — Yumi Nakano came in leading the head-to-head 1–0. Shuko Aoyama claimed a first win over Yumi Nakano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-31 | Komoro 10K | R32 | clay | Yumi Nakano | 6-3 1-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.