Xin Yuan Yu defeated Ya Nan Ma 7-5 6-0 in the Malaysia F2 round of 32 on hard. The upset overturned the form book — Ya Nan Ma came in leading the head-to-head 1–0, but Xin Yuan Yu had been the form player, winning 3 of their last 9 on hard. Xin Yuan Yu claimed a first win over Ya Nan Ma in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-10 | China F6 | R16 | hard | Ya Nan Ma | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.