Yong Il Yoon defeated Takeshi Itoh 6-4 6-3 in the Japan F2 round of 16 on carpet. The upset overturned the form book — Takeshi Itoh came in leading the head-to-head 1–0. Yong Il Yoon claimed a first win over Takeshi Itoh in two meetings, levelling the head-to-head at 1–1.
Yoon Y. took it in straight sets.
Carpet: Yoon Y. leads 1–0 · Hard: Itoh T. leads 1–0
Yong Il Yoon beat Takeshi Itoh 6-4 6-3. Umpiry, "Yong Il Yoon vs Takeshi Itoh — Japan F2 Round of 16", https://umpiry.com/match/2004-04-19/itoh-vs-yoon-japan-f2-r16?utm_source=cite (as of 19 April 2004).