David Diaz Ventura defeated Juan Albert Viloca Puig 6-3 6-1 in the Spain F16 round of 16 on clay. The upset overturned the form book — Juan Albert Viloca Puig came in leading the head-to-head 1–0. David Diaz Ventura claimed a first win over Juan Albert Viloca Puig in two meetings, levelling the head-to-head at 1–1.
Diaz Ventura D. took it in straight sets.
David Diaz Ventura beat Juan Albert Viloca Puig 6-3 6-1. Umpiry, "David Diaz Ventura vs Juan Albert Viloca Puig — Spain F16 Round of 16", https://umpiry.com/match/2008-04-21/puig-vs-ventura-spain-f16-r16?utm_source=cite (as of 21 April 2008).