Kevin Clancy will be in charge of the Budapest Honvéd FC v U Craiova 1948 Club Sportiv. He will be assisted by Graeme Stewart and Sean Carr, with Euan Anderson taking on fourth official duties.

Nick Walsh will officiate the Qäbälä v FC Dinamo Tbilisi match. His assistants are Alan Mulvanny and Jordan Stokoe, with Gavin Duncan the fourth official.

Don Robertson is the referee of the Molde FK v FK Čukarički match. Daniel McFarlane and Calum Spence are his assistants, Greg Aitken is the fourth official.

John Beaton has been appointed as referee of the KS Lechia Gdańsk v Brøndby IF match. He will be assisted by David Roome and David Doig, with David Munro as the fourth official.