Welcome to Uefa Champions League Squares - the new BBC Sport game which you can play alongside the live match action.
How to play:
Answer four trivia questions for the chance to edit your randomly generated bingo-style gamecard;
See how many squares you are able to mark off on your card when those events happen in real time during that evening's Champions League fixtures.
The chance to answer trivia questions to earn edit tokens ends at 17:00 GMT. After that time, you are still able to receive a gamecard but won't have the opportunity to edit it.