Yoon Jeong Cho defeated Sandra Cacic 7-5 6-4 in the Oyster Bay 50K round of 32 on hard. The upset overturned the form book — Sandra Cacic came in leading the head-to-head 1–0. Yoon Jeong Cho claimed a first win over Sandra Cacic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-07-10 | Peachtree 25K | SF | hard | Sandra Cacic | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.