Nicolas Santos defeated Gabriel Pitta 6-4 3-6 6-3 in the Brazil F5 round of 16 on clay. The upset overturned the form book — Gabriel Pitta came in leading the head-to-head 1–0. Nicolas Santos claimed a first win over Gabriel Pitta in two meetings, levelling the head-to-head at 1–1.
Santos N. came through in three sets.
Nicolas Santos beat Gabriel Pitta 6-4 3-6 6-3. Umpiry, "Nicolas Santos vs Gabriel Pitta — Brazil F5 Round of 16", https://umpiry.com/match/2007-05-21/pitta-vs-santos-brazil-f5-r16?utm_source=cite (as of 21 May 2007).