Following the completion of quarter-finals games in the UEFA Europa League, the fixtures for the semi-final have been confirmed.
Unai Emery’s side will take on Valencia, who saw off Villarreal 2-0 on the night and 5-1 on aggregate.
Chelsea face Frankfurt. The Blues survived a gallant effort from Slavia Prague to win 4-3 at Stamford Bridge and progressed 5-3 on aggregate.
Frankfurt scaled through on away goals. The German side lost 4-2 at Benfica, but claimed a 2-0 win on their turf.
The semi-finals will be played on May 2 and 9, with the final in Baku set for Wednesday, May 29.