Ferran Ventura Martell defeated Ivan Caballero 6-3 6-4 in the Spain 6 2 round of 16 on clay. The upset overturned the form book — Ivan Caballero came in leading the head-to-head 1–0, but Ferran Ventura Martell had been the form player, winning 3 of their last 6 on clay. Ferran Ventura Martell claimed a first win over Ivan Caballero in two meetings, levelling the head-to-head at 1–1.
Ventura Martell F. took it in straight sets.
Ferran Ventura Martell beat Ivan Caballero 6-3 6-4. Umpiry, "Ferran Ventura Martell vs Ivan Caballero — Spain 6 2 Round of 16", https://umpiry.com/match/2001-06-04/caballero-vs-martell-spain-6-2-r16?utm_source=cite (as of 4 June 2001).