You are likely doing one of two things wrong (and perhaps both):
1. You are yoloing too often, resulting in 100 wn8 losses.
2. You are playing too passively, resulting in 100 wn8 wins and losses.
You know your own gameplay better than anyone, so it should be simple for you to determine which of these happens more often. If the first, play more passively, waiting until the majority of enemy tanks are spotted before making aggressive moves and take less aggressive early positions. If the second, try being more aggressive in the early game and see if you can improve your success r