Nam Hoon Kim defeated Seong Kon Kim 7-5 6-2 in the Korea Masters 4 round of 16 on clay. The upset overturned the form book — Seong Kon Kim came in leading the head-to-head 1–0. Nam Hoon Kim claimed a first win over Seong Kon Kim in two meetings, levelling the head-to-head at 1–1.
Hoon Kim N. took it in straight sets.
Nam Hoon Kim beat Seong Kon Kim 7-5 6-2. Umpiry, "Nam Hoon Kim vs Seong Kon Kim — Korea Masters 4 Round of 16", https://umpiry.com/match/1997-05-24/kim-vs-kim-korea-masters-4-r16?utm_source=cite (as of 24 May 1997).