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, levelling the head-to-head at 1–1.
Cho J. took it in straight sets.
Jeong A Cho beat Seiko Okamoto 6-1 7-5. Umpiry, "Jeong A Cho vs Seiko Okamoto — Inchon 25K Round of 16", https://umpiry.com/match/2004-06-21/cho-vs-okamoto-inchon-25k-r16?utm_source=cite (as of 21 June 2004).