David Marrero defeated Juan Albert Viloca Puig 6-4 6-4 in the Spain F36 round of 32 on clay. The upset overturned the form book — Juan Albert Viloca Puig came in leading the head-to-head 1–0. David Marrero claimed a first win over Juan Albert Viloca Puig in two meetings, levelling the head-to-head at 1–1.
Marrero D. took it in straight sets.
David Marrero beat Juan Albert Viloca Puig 6-4 6-4. Umpiry, "David Marrero vs Juan Albert Viloca Puig — Spain F36 Round of 32", https://umpiry.com/match/2006-10-30/marrero-vs-puig-spain-f36-r32?utm_source=cite (as of 30 October 2006).