Jane Chi defeated Yoon Jeong Cho 7-5 6-2 in the Mahwah NJ 50K round of 16 on hard. Jane Chi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-15 | Oyster Bay 50K | QF | hard | Yoon Jeong Cho | 6-4 6-3 |
| 1999-04-12 | Tokyo | R32 | hard | Jane Chi | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.