Referee appointments for 2021-22 UEFA Champions League play-offs (second legs), games to be played on 24 August 2021.
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| Slavko Vinčić to officiate PSV - Benfica |
PSV Eindhoven (NED) - SL Benfica (POR)
Referee: Slavko Vinčić (SVN)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Rade Obrenovič (SVN)
Video Assistant Referee: Bastian Dankert (GER)
Assistant Video Assistant Referee: Jure Praprotnik (SVN)
UEFA Referee Observer: Levan Paniashvili (GEO)
UEFA Delegate: Nils Fisketjonn (NOR)
24 August 2021, 21:00 CET - Razgrad (Ludogorets Arena)
PFC Ludogorets 1945 (BUL) - Malmö FF (SWE)
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: Jérémie Pignard (FRA)
Video Assistant Referee: Jérôme Brisard (FRA)
Assistant Video Assistant Referee: Willy Delajod (FRA)
UEFA Referee Observer: Marinus Koopman (NED)
UEFA Delegate: István Huszár (HUN)
24 August 2021, 21:00 CET - Budapest (Ferencváron Stadion)
Ferencvárosi TC (HUN) - BSC Young Boys (SUI)
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Vladimir Moskalev (RUS)
Video Assistant Referee: Marco Fritz (GER)
Assistant Video Assistant Referee: Christian Dingert (GER)
UEFA Referee Observer: Ichko Lozev (BUL)
UEFA Delegate: Sviatlana Hrynkevich (BLR)
