Oh Hee Kwon defeated Yasufumi Yamamoto 6-3 6-4 in the Japan F3 semi-final on carpet. The upset overturned the form book — Yasufumi Yamamoto came in leading the head-to-head 1–0. Oh Hee Kwon claimed a first win over Yasufumi Yamamoto in two meetings, levelling the head-to-head at 1–1.
Kwon O. took it in straight sets.
Carpet: Kwon O. leads 1–0 · Hard: Yamamoto Y. leads 1–0
Oh Hee Kwon beat Yasufumi Yamamoto 6-3 6-4. Umpiry, "Oh Hee Kwon vs Yasufumi Yamamoto — Japan F3 Semi-final", https://umpiry.com/match/1998-09-30/kwon-vs-yamamoto-japan-f3-sf?utm_source=cite (as of 30 September 1998).