Quino Munoz defeated David Caballero 6-1 5-7 6-4 in the Spain 3 4 semi-final on clay. The upset overturned the form book — David Caballero came in leading the head-to-head 1–0. Quino Munoz claimed a first win over David Caballero in two meetings, levelling the head-to-head at 1–1.
Munoz Q. came through in three sets.
Quino Munoz beat David Caballero 6-1 5-7 6-4. Umpiry, "Quino Munoz vs David Caballero — Spain 3 4 Semi-final", https://umpiry.com/match/2000-03-06/caballero-vs-munoz-spain-3-4-sf?utm_source=cite (as of 6 March 2000).