Sparta Praha and Partizan face-off in what is likely to be one of the most closely contested matches in the Conference League play-offs.
An early qualifying match for the newly minted Europa Conference League pits Inter Turku of Finland against Hungarian club Puskas Akademia.
Fehérvár will hope captain Nemanja Nikolic is ready for the first leg against Ararat Yerevan of Armenia following his stint with Hungary in the Euros.
Puskas Akademia had more chances to score in the first match and while the score sits level at 1-1, they are home against Inter Turku for the second leg.
Two goals scored in the final six minutes of regular time mean that Ararat Yerevan and Fehervar need one more match to decide a winner.
Swiss club Basel kick off their competitive season against Albania's Partizani, who are hoping to reach their first continental competition.