Nam Ju Bae defeated Sang Soo Lee 6-4 6-4 in the Korea Masters 2 round of 16 on clay.
Bae N. took it in straight sets.
Nam Ju Bae beat Sang Soo Lee 6-4 6-4. Umpiry, "Nam Ju Bae vs Sang Soo Lee — Korea Masters 2 Round of 16", https://umpiry.com/match/1991-05-20/bae-vs-lee-korea-masters-2-r16?utm_source=cite (as of 20 May 1991).