Czech side have grabbed the winner against FC Skonto Riga in Liberec 1:0. The only goal of the game was scored 14 minutes into the match.
Vladyslav Kalytvyntsev and Serhiy Rybalka, who play on loan for Slovan, were among first eleven.
The Europa League third qualifying round first leg will take place on August 1 and second leg – on August 8. Slovan will face FC Zürich.