Yoon Jeong Cho defeated Ka Po Tong 7-5 5-7 6-3 in the Ho Chi Minh City 25K round of 16 on hard. The result followed the form book — Yoon Jeong Cho came in leading the head-to-head 2–0. Yoon Jeong Cho extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-24 | Fed Cup G1 RRB: HKG vs KOR | RR | hard | Yoon Jeong Cho | 6-2 6-1 |
| 1998-02-17 | Fed Cup G1 RRB: HKG vs KOR | RR | hard | Yoon Jeong Cho | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.