Rafael Matos defeated Nicolas Santos 1-6 6-3 6-3 in the Brazil F2 semi-final on clay. The upset overturned the form book — Nicolas Santos came in leading the head-to-head 2–0. Rafael Matos claimed a first win over Nicolas Santos in three meetings, narrowing the head-to-head to 2–1.
Matos R. came through in three sets.
Rafael Matos beat Nicolas Santos 1-6 6-3 6-3. Umpiry, "Rafael Matos vs Nicolas Santos — Brazil F2 Semi-final", https://umpiry.com/match/2017-11-13/matos-vs-santos-brazil-f2-sf?utm_source=cite (as of 13 November 2017).