Frenchman Benoit Bastien will referee Sturm-Lazio, third day of the Europa League group F, scheduled for Thursday 6 October in Graz (Austria), at 18:45.
Assistants Hicham Zakrani and Aurélien Berthomieu.
The Slovenian Matej Jug is the designated referee for Roma-Betis, the third day of group C, also scheduled for Thursday 6, at the Olympic stadium (9 pm).
Assistants Matej Zunic and Manuel Vidali.
Again on Thursday, but in the Conference League, the Belgian Erik Lambrechts will direct Hearts-Fiorentina, third round of group A, scheduled in Edinburgh at 21. Assistants Jo de Weirdt and Kevin Monteny.
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