6 April 2011Chelsea London – Manchester United
Referee: Alberto Undiano Mallenco (ESP, photo)
Assistant Referee 1: Fermin Martinez Ibanez (ESP)
Assistant Referee 2: Juan Yuste Jimenez (ESP)
Additional AR 1: Fernando Teixeira Vitienes (ESP)
Additional AR 2: Carlos Clos Gomez (ESP)
Fourth Official: David Fernandez Borbalan (ESP)
Barcelona FC – FC Shakhtar Donetsk
Referee Craig Thomson (SCO)
Assistant Referee 1: Francis Andrews (SCO)
Assistant Referee 2: Graham Chambers (SCO)
Additional AR 1: Alan Muir (SCO)
Additional AR 2: Calum Murray (SCO)
Fourth Official: William Collum (SCO)
5 April 2011
Real Madrid – Tottenham
Referee: Felix Brych (GER)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Mark Borsch (GER)
Additional AR 1: Christian Dingert (GER)
Additional AR 2: Marc Seemann (GER)
Fourth Official: Peter Sippel (GER)
Internazionale – Schalke
Referee: Martin Atkinson (ENG)
Assistant Referee 1: Michael Mullarkey (ENG)
Assistant Referee 2: Peter Kirkup (ENG)
Additional AR 1: Lee Mason (ENG)
Additional AR 2: Michael Jones (ENG)
Fourth Official: Andre Marriner (ENG)
