During playing FUT Champions (only my 2nd time) when struggling to get those 11 wins, when i had 6 wins on 18 games I played a 19th game. When my rival got red card on the begining of the game (when the score was 0-0) he rage quited as he didn't want to play in 10 players and the game was ended. 

Suprisingly not only i didn't get win here - apparently it....counted as my loss (?!) as I still had 6 wins but on 19 games now. Moreover of course rented Socrates contract was deducted as well.