Juan Pablo Amado defeated Martin Alund 6-2 7-5 in the Brazil F1 round of 16 on clay. The upset overturned the form book — Martin Alund came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Amado J. took it in straight sets.
Juan Pablo Amado beat Martin Alund 6-2 7-5. Umpiry, "Juan Pablo Amado vs Martin Alund — Brazil F1 Round of 16", https://umpiry.com/match/2008-04-21/alund-vs-amado-brazil-f1-r16?utm_source=cite (as of 21 April 2008).