Oliver Gross defeated Robert Kroll 6-2 6-4 in the Poland Masters 1 semi-final on clay.
Gross O. took it in straight sets.
Oliver Gross beat Robert Kroll 6-2 6-4. Umpiry, "Oliver Gross vs Robert Kroll — Poland Masters 1 Semi-final", https://umpiry.com/match/1993-06-27/gross-vs-kroll-poland-masters-1-sf?utm_source=cite (as of 27 June 1993).