Laslo Urrutia Fuentes defeated Mateusz Kowalczyk 6-2 4-6 7-6 in the Poland F5 round of 16 on clay. The upset overturned the form book — Mateusz Kowalczyk came in leading the head-to-head 1–0, but Laslo Urrutia Fuentes had been the form player, winning 3 of their last 8 on clay. Laslo Urrutia Fuentes claimed a first win over Mateusz Kowalczyk in two meetings, levelling the head-to-head at 1–1.
Urrutia Fuentes L. came through in three sets.
Laslo Urrutia Fuentes beat Mateusz Kowalczyk 6-2 4-6 7-6(4). Umpiry, "Laslo Urrutia Fuentes vs Mateusz Kowalczyk — Poland F5 Round of 16", https://umpiry.com/match/2012-08-20/fuentes-vs-kowalczyk-poland-f5-r16?utm_source=cite (as of 20 August 2012).