Jin A Lee defeated Natsumi Hamamura 6-3 6-3 in the Beijing 75K round of 16 on hard. The upset overturned the form book — Natsumi Hamamura came in leading the head-to-head 1–0, but Jin A Lee had been the form player, winning 4 of their last 4 on hard. Jin A Lee claimed a first win over Natsumi Hamamura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-17 | Karuizawa 25K | QF | carpet | Natsumi Hamamura | 6-4 6-4 |