Aiko Nakamura advanced when Shiho Akita retired 6-1 in the Tsukuba 25K round of 16. Aiko Nakamura extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-28 | Wenshan 50K | R32 | hard | Aiko Nakamura | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.