Oh Hee Kwon defeated Peng Sun 4-6 7-6 6-0 in the China F3 qualifying round on hard. The upset overturned the form book — Peng Sun came in leading the head-to-head 1–0, but Oh Hee Kwon had been the form player, winning 5 of their last 7 on hard. Oh Hee Kwon claimed a first win over Peng Sun in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-05 | China 1 Satellite 3 | F | hard | Peng Sun | 7-6(7) 6-2 |
Averages over each player's completed matches in the selected window (17 vs 6). 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