Sang Soo Lee defeated Shoji Katoh 6-3 6-3 in the Korea Masters 2 round of 32 on clay.
Lee S. took it in straight sets.
Sang Soo Lee beat Shoji Katoh 6-3 6-3. Umpiry, "Sang Soo Lee vs Shoji Katoh — Korea Masters 2 Round of 32", https://umpiry.com/match/1991-05-20/katoh-vs-lee-korea-masters-2-r32?utm_source=cite (as of 20 May 1991).