Antonella Serra Zanetti defeated Yoon Jeong Cho 6-2 6-1 in the Beijing 25K qualifying round on hard. The upset overturned the form book — Yoon Jeong Cho came in leading the head-to-head 2–0, but Antonella Serra Zanetti had been the form player, winning 4 of their last 9 on hard. Antonella Serra Zanetti claimed a first win over Yoon Jeong Cho in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-02-14 | Memphis | R32 | hard | Yoon Jeong Cho | 6-4 1-6 6-2 |
| 2003-02-24 | Scottsdale | R32 | hard | Yoon Jeong Cho | 6-2 6-4 |
Averages over each player's completed matches in the selected window (25 vs 15). 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