The Europa League remains the Gunners’ last hope of getting back into the Champions League next term as well as Wenger’s last shot at leaving the club with a trophy in his 22nd and final campaign in north London.
Atletico though remain the favourites to win the tournament outright and will travel to the Emirates determined to build a first leg advantage with stars including Antoine Griezmann and Diego Costa in their ranks.
Follow all the action as it happens including drama from the other semi-final Marseille vs Red Bull Salzburg.
Arsenal kick off their Europa League semi-final against Atletico Madrid as Arsene Wenger faces his final opportunity to win European silverware with the Gunners.
Wenger has reached two European finals during his 22-year stay in north London, but the chance to reach another final also holds significance in Diego Simeone’s Atletico side.
While Atletico and Simeone won this competing in 2012, two defeats in the Champions League final (2014, 2016) have the left the club with unfinished business in Europe.
The match will be televised live on BT Sport 2 and BT Sport 4K UHD, and streamed online via the video player and BT Sport app.
James Olley and James Benge are at the Emirates Stadium tonight, and we will bring you all the action and analysis from north London.