Yong Il Yoon defeated Stefan Leiner 6-3 6-2 in the Philippines Masters 1 round of 16 on hard.
Yoon Y. took it in straight sets.
Yong Il Yoon beat Stefan Leiner 6-3 6-2. Umpiry, "Yong Il Yoon vs Stefan Leiner — Philippines Masters 1 Round of 16", https://umpiry.com/match/1997-02-15/leiner-vs-yoon-philippines-masters-1-r16?utm_source=cite (as of 15 February 1997).