Yong Il Yoon defeated Sang Hoon Lee 6-2 6-1 in the Korea F1 round of 32 on hard. The result followed the form book — Yong Il Yoon came in leading the head-to-head 5–1. Yong Il Yoon extended the head-to-head to 6–1.
Yoon Y. took it in straight sets.
Hard: Yoon Y. leads 2–1 · Clay: Yoon Y. leads 4–0
Yong Il Yoon beat Sang Hoon Lee 6-2 6-1. Umpiry, "Yong Il Yoon vs Sang Hoon Lee — Korea F1 Round of 32", https://umpiry.com/match/1998-05-25/lee-vs-yoon-korea-f1-r32?utm_source=cite (as of 25 May 1998).