Hyeong Keun Song defeated Chang Hee Park 6-1 6-2 in the Korea Masters 2 round of 32 on clay. The upset overturned the form book — Chang Hee Park came in leading the head-to-head 1–0. Hyeong Keun Song claimed a first win over Chang Hee Park in two meetings, levelling the head-to-head at 1–1.
Keun Song H. took it in straight sets.
Clay: Keun Song H. leads 1–0 · Hard: Park C. leads 1–0
Hyeong Keun Song beat Chang Hee Park 6-1 6-2. Umpiry, "Hyeong Keun Song vs Chang Hee Park — Korea Masters 2 Round of 32", https://umpiry.com/match/1997-05-24/park-vs-song-korea-masters-2-r32?utm_source=cite (as of 24 May 1997).