Arsenal have been drawn against Fenerbahce in the play-off round of the Champions League later this month.
The Gunners will face the Turkish runners-up away on either 20 or 21 August, with the return leg at the
Emirates a week later.
Celtic will meet Shakhter Karagandy, champions of Kazakhstan.
The Europa League draw, which includes Tottenham and Swansea, takes place at 12:00 BST.