Michael Heel defeated Konstantin Don Gruber 6-4 6-0 in the Austria 2 Masters 4 round of 32 on clay.
Heel M. took it in straight sets.
Michael Heel beat Konstantin Don Gruber 6-4 6-0. Umpiry, "Michael Heel vs Konstantin Don Gruber — Austria 2 Masters 4 Round of 32", https://umpiry.com/match/1997-06-23/gruber-vs-heel-austria-2-masters-4-r32?utm_source=cite (as of 23 June 1997).