Natsumi Hamamura defeated Ye Ra Lee 7-6 1-6 6-4 in the Changwon 25K round of 16 on hard. Natsumi Hamamura extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Obihiro-Tokachi 25K | R32 | carpet | Natsumi Hamamura | 6-3 6-2 |
| 2007-03-05 | Hamilton 10K | QF | hard | Ye Ra Lee | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.