Wayne Black defeated Gerald Mandl 5-7 6-3 6-3 6-0 in the ZIM vs AUT round robin on hard.
Black W. came through in four sets.
Wayne Black beat Gerald Mandl 5-7 6-3 6-3 6-0. Umpiry, "Wayne Black vs Gerald Mandl — ZIM vs AUT Round Robin", https://umpiry.com/match/1997-09-19/black-vs-mandl-zim-vs-aut-rr?utm_source=cite (as of 19 September 1997).