After 99 kills it resets to zero and also seen my counter not increasing any more
Thanks for the report, at the moment many players got this bug.
I do hope that they are keeping track of the wins that i have. My counter keeps jumping from 1 to 0 then back to 1, staying at 1 for a while, then back to 0, and then right back to 1. Lol. I should have a couple hundred by now. 
/fixed and closed.