Jan Simon defeated Michal Marko 6-4 2-6 6-0 in the Slovak Republic F4 qualifying round of 32 on clay.
Simon J. came through in three sets.
Jan Simon beat Michal Marko 6-4 2-6 6-0. Umpiry, "Jan Simon vs Michal Marko — Slovak Republic F4 Qualifying Round of 32", https://umpiry.com/match/2013-08-05/marko-vs-simon-slovak-republic-f4-q32?utm_source=cite (as of 5 August 2013).