Olaf Knutel defeated Lukas Langer 6-3 2-6 6-4 in the Yugoslavia 1 Masters 4 round of 32 on clay.
Knutel O. came through in three sets.
Olaf Knutel beat Lukas Langer 6-3 2-6 6-4. Umpiry, "Olaf Knutel vs Lukas Langer — Yugoslavia 1 Masters 4 Round of 32", https://umpiry.com/match/1997-05-03/knutel-vs-langer-yugoslavia-1-masters-4-r32?utm_source=cite (as of 3 May 1997).