Helge Koll defeated Mike Mather 3-6 6-3 6-1 in the USA F12 round of 32 on hard.
Koll H. came through in three sets.
Helge Koll beat Mike Mather 3-6 6-3 6-1. Umpiry, "Helge Koll vs Mike Mather — USA F12 Round of 32", https://umpiry.com/match/1998-12-07/koll-vs-mather-usa-f12-r32?utm_source=cite (as of 7 December 1998).