Ryusei Makiguchi defeated Martin Cuevas 6-4 6-4 in the Bolivia F5 semi-final on clay. The upset overturned the form book — Martin Cuevas came in leading the head-to-head 1–0. Ryusei Makiguchi claimed a first win over Martin Cuevas in two meetings, levelling the head-to-head at 1–1.
Makiguchi R. took it in straight sets.
Ryusei Makiguchi beat Martin Cuevas 6-4 6-4. Umpiry, "Ryusei Makiguchi vs Martin Cuevas — Bolivia F5 Semi-final", https://umpiry.com/match/2013-10-07/cuevas-vs-makiguchi-bolivia-f5-sf?utm_source=cite (as of 7 October 2013).