Tomas Buchhass defeated Martin Cuevas 0-6 6-4 6-0 in the Peru F1 round of 32 on clay. The upset overturned the form book — Martin Cuevas came in leading the head-to-head 1–0. Tomas Buchhass claimed a first win over Martin Cuevas in two meetings, levelling the head-to-head at 1–1.
Buchhass T. came through in three sets.
Tomas Buchhass beat Martin Cuevas 0-6 6-4 6-0. Umpiry, "Tomas Buchhass vs Martin Cuevas — Peru F1 Round of 32", https://umpiry.com/match/2012-05-21/buchhass-vs-cuevas-peru-f1-r32?utm_source=cite (as of 21 May 2012).