Arsenal goalkeeper Wojciech Szczesny is facing the threat of being banned for two Champions League games.

Szczesny made an obscene gesture after being sent-off in the 2-0 defeat by Bayern Munich on Wednesday night and must now wait to find out if the incident is included in referee Nicola Rizzoli’s report.

If it is reported, then a Uefa disciplinary committee will decide whether to charge Szczesny with unsporting behaviour, which would most likely carry an extra one-game ban.

Szczesny will already miss the second leg of Arsenal’s last-16 tie against Bayern and a further suspension could be carried into next season’s Champions League if they are knocked out by the Germans.

Rizzoli does not have to have personally seen Szczesny’s gesture to include it in his report. The fourth official can pass on information or video evidence can be referred to.