Kumiko Iijima defeated Erika Sema 6-0 6-0 in the Obihiro 25K round of 16 on carpet. Kumiko Iijima extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-15 | Wellington 25K | SF | hard | Erika Sema | 6-2 6-2 |
| 2010-09-27 | Hamanako 25K | F | carpet | Kumiko Iijima | 6-7(4) 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.