Joao Pedro Sorgi defeated Leonardo Kirche 7-6 6-3 in the Brazil F10 round of 16 on clay. The upset overturned the form book — Leonardo Kirche came in leading the head-to-head 3–0. Joao Pedro Sorgi claimed a first win over Leonardo Kirche in four meetings, narrowing the head-to-head to 3–1.
Sorgi J. took it in straight sets.
Joao Pedro Sorgi beat Leonardo Kirche 7-6(6) 6-3. Umpiry, "Joao Pedro Sorgi vs Leonardo Kirche — Brazil F10 Round of 16", https://umpiry.com/match/2012-05-14/kirche-vs-sorgi-brazil-f10-r16?utm_source=cite (as of 14 May 2012).