Seong Yoon Chung defeated Seung Bok Baek 6-4 6-1 in the Korea Rep F4 round of 32 on hard. The upset overturned the form book — Seung Bok Baek came in leading the head-to-head 2–0. Seong Yoon Chung claimed a first win over Seung Bok Baek in three meetings, narrowing the head-to-head to 2–1.
Yoon Chung S. took it in straight sets.
Hard: level 1–1 · Clay: Bok Baek S. leads 1–0
Seong Yoon Chung beat Seung Bok Baek 6-4 6-1. Umpiry, "Seong Yoon Chung vs Seung Bok Baek — Korea Rep F4 Round of 32", https://umpiry.com/match/2002-08-05/baek-vs-chung-korea-rep-f4-r32?utm_source=cite (as of 5 August 2002).