Hyung Taik Lee defeated Yong Il Yoon 6-0 6-2 in the Korea F2 semi-final on hard. The upset overturned the form book — Yong Il Yoon came in leading the head-to-head 7–4, but Hyung Taik Lee had been the form player, winning 3 of their last 4 on hard. Hyung Taik Lee narrowed the head-to-head to 7–5.
Taik Lee H. took it in straight sets.
Taik Lee H. and Yoon Y. faced 2 of the same opponents in the last 12 months. Taik Lee H. went 2–0 (100%) against them, Yoon Y. 0–2 (0%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Hard: Yoon Y. leads 5–3 · Clay: level 2–2
Hyung Taik Lee beat Yong Il Yoon 6-0 6-2. Umpiry, "Hyung Taik Lee vs Yong Il Yoon — Korea F2 Semi-final", https://umpiry.com/match/1998-06-01/lee-vs-yoon-korea-f2-sf?utm_source=cite (as of 1 June 1998).