Jing Ren defeated Natsumi Hamamura 7-6 6-1 in the Chengdu 25K round of 16 on hard. The upset overturned the form book — Natsumi Hamamura came in leading the head-to-head 1–0, but Jing Ren had been the form player, winning 2 of their last 4 on hard. Jing Ren claimed a first win over Natsumi Hamamura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-07 | Chengdu 25K | R32 | hard | Natsumi Hamamura | 6-3 7-5 |