The first leg will take place at the Britannia Stadium on July 28 before the FA Cup runners-up travel to Split on August 4. Fulham, who are 3-1 up on Crusaders after Thursday's first leg, are also likely to face a team from the Croatian city, with RNK Split leading Domzale of Slovenia 2-1 heading into their home match.
Hearts will meet Hungarian side Paksi or Tromso of Norway while a clash with either Metalurg Skopje of Macedonia or Bulgaria's Levski Sofia awaits Dundee United if they can overturn a 1-0 first-leg deficit to Slask Wroclaw.
Source: PA
Source: PA