Alberto Banus Sado defeated Juan Antonio Saiz Panadero 6-1 6-3 in the Spain 4 Masters 2 round of 32 on clay. The upset overturned the form book — Juan Antonio Saiz Panadero came in leading the head-to-head 2–1, but Alberto Banus Sado had been the form player, winning 3 of their last 7 on clay. That levelled the head-to-head at 2–2.
Banus Sado A. took it in straight sets.
Alberto Banus Sado beat Juan Antonio Saiz Panadero 6-1 6-3. Umpiry, "Alberto Banus Sado vs Juan Antonio Saiz Panadero — Spain 4 Masters 2 Round of 32", https://umpiry.com/match/1999-04-09/panadero-vs-sado-spain-4-masters-2-r32?utm_source=cite (as of 9 April 1999).