UEFA have confirmed the match officials for the Europa League match between Crvena zvezda and Celtic.
Brendan Rodgers' side kick off their league phase campaign in the competition on Wednesday evening.
Celtic travel to Belgrade for the first match in the league phase format. Both Celtic and the Serbian side were seeded in Pot 2 in the league phase.
Radu Petrescu will be the man in the middle for the league phase opener.
He will be assisted by fellow Romanian countrymen Radu Ghinguleac and Mircea Mihail Grigoriu, who will run the line.
Andrei Chivulete is the fourth official for the match.
Read more:
- Celtic handed big injury boost ahead of Europa League opener
- Crvena zvezda vs Celtic: TV channel, live stream, kick-off time & team news
Wednesday night's match will be the first time Petrescu, 42, will referee a match involving Celtic.
Previously, Petrescu has refereed Rangers on two occasions in Europe. Both matches - against Benfica and Lyon - ended in draws.
The whistler refereed Scotland under-20 once, with the young Scots beating France in a friendly contest. Former Celtic forward Oli Burke scored the winner.
So far this season, Petrescu has dished out 29 yellow cards and one red card in sveen matches.
Crvena zvezda vs Celtic match officials
Referee: Radu Petrescu
Assistant referees: Radu Ghinguleac & Mircea Mihail Grigoriu
Fourth official: Andrei Chivulete
VAR: Michael Fabbri
Assistant VAR: Marcel Birsan
Celtic Europa League fixtures
- Crvena Zvezda (A) September 24 (KO: 8pm)
- Braga (H), October 2 (KO: 5.45pm)
- Sturm Graz (H), October 23 (KO: 8pm)
- FC Midtylland (A), November 6 (KO: 5.45pm)
- Feyenoord (A), November 27 (KO: 5.45pm)
- Roma (H), December 11 (KO: 8pm)
- Bologna (A), January 22, 2026 (KO: 5.45pm)
- Utrecht (H), January 29 (KO: 8pm)