Tetsuya Chaen defeated Oh Hee Kwon 7-5 6-3 in the Japan F5 round of 16 on hard. The upset overturned the form book — Oh Hee Kwon came in leading the head-to-head 4–0. Tetsuya Chaen claimed a first win over Oh Hee Kwon in five meetings, narrowing the head-to-head to 4–1.
Chaen T. took it in straight sets.
Hard: Chaen T. leads 1–0 · Carpet: Kwon O. leads 3–0 · Clay: Kwon O. leads 1–0
Tetsuya Chaen beat Oh Hee Kwon 7-5 6-3. Umpiry, "Tetsuya Chaen vs Oh Hee Kwon — Japan F5 Round of 16", https://umpiry.com/match/2005-05-30/chaen-vs-kwon-japan-f5-r16?utm_source=cite (as of 30 May 2005).