Tetsuya Chaen defeated Oh Hee Kwon 6-4 7-6 in the Japan F6 qualifying round on clay. The upset overturned the form book — Oh Hee Kwon came in leading the head-to-head 9–1. Tetsuya Chaen narrowed the head-to-head to 9–2.
Chaen T. took it in straight sets.
Clay: Kwon O. leads 2–1 · Hard: Kwon O. leads 4–1 · Carpet: Kwon O. leads 3–0
Tetsuya Chaen beat Oh Hee Kwon 6-4 7-6(7). Umpiry, "Tetsuya Chaen vs Oh Hee Kwon — Japan F6 Qualifying Round", https://umpiry.com/match/2006-06-12/chaen-vs-kwon-japan-f6-qf?utm_source=cite (as of 12 June 2006).