Caio Zampieri defeated Alexandre Bonatto 6-3 4-6 6-3 in the Brazil F2 semi-final on clay. The upset overturned the form book — Alexandre Bonatto came in leading the head-to-head 1–0. Caio Zampieri claimed a first win over Alexandre Bonatto in two meetings, levelling the head-to-head at 1–1.
Zampieri C. came through in three sets.
Clay: Zampieri C. leads 1–0 · Hard: Bonatto A. leads 1–0
Caio Zampieri beat Alexandre Bonatto 6-3 4-6 6-3. Umpiry, "Caio Zampieri vs Alexandre Bonatto — Brazil F2 Semi-final", https://umpiry.com/match/2006-05-22/bonatto-vs-zampieri-brazil-f2-sf?utm_source=cite (as of 22 May 2006).