Nam Hoon Kim defeated Jong Heon Choi 6-3 7-6 in the Korea Masters 3 round of 32 on clay.
Hoon Kim N. took it in straight sets.
Nam Hoon Kim beat Jong Heon Choi 6-3 7-6. Umpiry, "Nam Hoon Kim vs Jong Heon Choi — Korea Masters 3 Round of 32", https://umpiry.com/match/1991-05-20/choi-vs-kim-korea-masters-3-r32?utm_source=cite (as of 20 May 1991).