So just now i lost a 2x2 match with the score 2/1 (my team got the lead). The thing is that we had 2/1 score and then we had a draw. After that the enemy team won next battle and match was completely lost (the score remained 2/1 though). Hope you got the idea, sorry for broken english.
Here is the vid: https://www.youtube.com/watch?v=Ka7lQ9ZSO4s