Jeong A Cho defeated Seiko Okamoto 6-1 7-5 in the Inchon 25K round of 16 on hard. The upset overturned the form book — Seiko Okamoto came in leading the head-to-head 1–0. Jeong A Cho claimed a first win over Seiko Okamoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-22 | Inchon 10K | R16 | hard | Seiko Okamoto | 6-0 6-1 |