Oh Hee Kwon defeated Takahiro Terachi 6-2 6-4 in the Japan F3 final on carpet. The upset overturned the form book — Takahiro Terachi came in leading the head-to-head 1–0. Oh Hee Kwon claimed a first win over Takahiro Terachi 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: Terachi T. leads 1–0
Oh Hee Kwon beat Takahiro Terachi 6-2 6-4. Umpiry, "Oh Hee Kwon vs Takahiro Terachi — Japan F3 Final", https://umpiry.com/match/1998-09-30/kwon-vs-terachi-japan-f3-f?utm_source=cite (as of 30 September 1998).