Adrian Sikora defeated Marek Michalicka 6-2 6-4 in the Poland F3 semi-final on clay. The upset overturned the form book — Marek Michalicka came in leading the head-to-head 2–0. Adrian Sikora claimed a first win over Marek Michalicka in three meetings, narrowing the head-to-head to 2–1.
Sikora A. took it in straight sets.
Adrian Sikora beat Marek Michalicka 6-2 6-4. Umpiry, "Adrian Sikora vs Marek Michalicka — Poland F3 Semi-final", https://umpiry.com/match/2012-06-04/michalicka-vs-sikora-poland-f3-sf?utm_source=cite (as of 4 June 2012).