Nam Ju Bae defeated Jong Hyun Choi 7-5 6-1 in the Korea Masters 2 qualifying round on clay.
Bae N. took it in straight sets.
Nam Ju Bae beat Jong Hyun Choi 7-5 6-1. Umpiry, "Nam Ju Bae vs Jong Hyun Choi — Korea Masters 2 Qualifying Round", https://umpiry.com/match/1991-05-20/bae-vs-choi-korea-masters-2-qf?utm_source=cite (as of 20 May 1991).