Helge Koll advanced when Stephan Grebe retired 4-6 7-6 3-0 in the Iran Masters 4 round of 16.
Koll H. advanced when Grebe S. retired.
Helge Koll beat Stephan Grebe 4-6 7-6 3-0 after Stephan Grebe retired. Umpiry, "Helge Koll vs Stephan Grebe — Iran Masters 4 Round of 16", https://umpiry.com/match/1996-08-24/grebe-vs-koll-iran-masters-4-r16?utm_source=cite (as of 24 August 1996).