Christian Grunes defeated Hans Grobecker 6-2 6-3 in the Poland F4 round of 32 on clay.
Grunes C. took it in straight sets.
Christian Grunes beat Hans Grobecker 6-2 6-3. Umpiry, "Christian Grunes vs Hans Grobecker — Poland F4 Round of 32", https://umpiry.com/match/2000-08-28/grobecker-vs-grunes-poland-f4-r32?utm_source=cite (as of 28 August 2000).