Yoon Jeong Cho defeated Marlene Weingartner 7-6 6-2 in the Pattaya round of 32 on hard. The upset overturned the form book — Marlene Weingartner came in leading the head-to-head 1–0. Yoon Jeong Cho claimed a first win over Marlene Weingartner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Bali | QF | hard | Marlene Weingartner | 6-4 5-7 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (15 vs 15). ATP, WTA & Challenger.