Natchanok Saenyaukhot defeated Chun Yan He 6-4 6-2 in the Solo 10K round of 16 on hard. The upset overturned the form book — Chun Yan He came in leading the head-to-head 1–0. Natchanok Saenyaukhot claimed a first win over Chun Yan He in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-15 | Pattaya 10K | R32 | hard | Chun Yan He | 6-2 6-0 |