Fernon Wibier defeated Martin Zumpft 6-4 6-4 in the Australia 3 Masters 1 round of 32 on clay.
Wibier F. took it in straight sets.
Fernon Wibier beat Martin Zumpft 6-4 6-4. Umpiry, "Fernon Wibier vs Martin Zumpft — Australia 3 Masters 1 Round of 32", https://umpiry.com/match/1991-10-07/wibier-vs-zumpft-australia-3-masters-1-r32?utm_source=cite (as of 7 October 1991).