Play alone against Russians Lose, Lose, Lose
Play with Russians Win, Win, Win
I think thats a very interesting phenomic.I mean everyone knows the reasons for that but YOU have to add a solution for this.
Option 1. Put 1:1 Russian ppl. for each match into team to become balance
Option 2. Give Russian, Polski etc. their own Region/Servers !
Option 3 check the XXXXXXX Threads in Forum/Feedback Hub about this problem