Alberto Banus Sado defeated David Caballero 6-2 6-3 in the Spain 6 4 round of 32 on clay. The upset overturned the form book — David Caballero came in leading the head-to-head 2–0. Alberto Banus Sado claimed a first win over David Caballero in three meetings, narrowing the head-to-head to 2–1.
Banus Sado A. took it in straight sets.
Alberto Banus Sado beat David Caballero 6-2 6-3. Umpiry, "Alberto Banus Sado vs David Caballero — Spain 6 4 Round of 32", https://umpiry.com/match/2000-10-16/caballero-vs-sado-spain-6-4-r32?utm_source=cite (as of 16 October 2000).