Peng Sun defeated Ivan Sergeyev 7-5 6-2 in the Uzbekistan F2 round of 16 on hard. The upset overturned the form book — Ivan Sergeyev came in leading the head-to-head 1–0. Peng Sun claimed a first win over Ivan Sergeyev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-05 | China F1 | R32 | hard | Ivan Sergeyev | 6-4 6-3 |
Averages over each player's completed matches in the selected window (3 vs 29). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About