Ivo Heuberger defeated Helge Koll 3-6 7-5 6-1 in the Denmark Masters 4 round of 32 on clay.
Heuberger I. came through in three sets.
Ivo Heuberger beat Helge Koll 3-6 7-5 6-1. Umpiry, "Ivo Heuberger vs Helge Koll — Denmark Masters 4 Round of 32", https://umpiry.com/match/1996-06-29/heuberger-vs-koll-denmark-masters-4-r32?utm_source=cite (as of 29 June 1996).