Arne Thoms defeated Sander Groen 6-4 3-6 6-3 in the Germany 1 Masters 4 round of 16 on carpet.
Thoms A. came through in three sets.
Arne Thoms beat Sander Groen 6-4 3-6 6-3. Umpiry, "Arne Thoms vs Sander Groen — Germany 1 Masters 4 Round of 16", https://umpiry.com/match/1991-02-03/groen-vs-thoms-germany-1-masters-4-r16?utm_source=cite (as of 3 February 1991).