Federico Sanchez defeated Filip Dewulf 6-1 6-2 in the Spain 5 Masters 2 semi-final on clay.
Sanchez F. took it in straight sets.
Federico Sanchez beat Filip Dewulf 6-1 6-2. Umpiry, "Federico Sanchez vs Filip Dewulf — Spain 5 Masters 2 Semi-final", https://umpiry.com/match/1991-05-20/dewulf-vs-sanchez-spain-5-masters-2-sf?utm_source=cite (as of 20 May 1991).