Emilio Viuda Hernandez defeated Alberto Banus Sado 6-4 6-2 in the Spain F9 round of 32 on clay. The upset overturned the form book — Alberto Banus Sado came in leading the head-to-head 1–0. Emilio Viuda Hernandez claimed a first win over Alberto Banus Sado in two meetings, levelling the head-to-head at 1–1.
Viuda Hernandez E. took it in straight sets.
Emilio Viuda Hernandez beat Alberto Banus Sado 6-4 6-2. Umpiry, "Emilio Viuda Hernandez vs Alberto Banus Sado — Spain F9 Round of 32", https://umpiry.com/match/1998-09-07/hernandez-vs-sado-spain-f9-r32?utm_source=cite (as of 7 September 1998).