Woops, I remembered it wrong.
The contents of the instances folder must be saved in:
C:\Program Files (x86)\Steam\steamapps\common\Company of Heroes 2 Tools\assets\data\attributes\instances
-
#Steam AliasWL%Streak
- 1.305121.716+9
- 2.783218.782+18
- 3.34057.856+5
- 4.567230.711+11
- 5.615.924+2
- 6.275145.655+2
- 7.282110.719+20
- 8.12834.790-1
- 9.9513.880+10
- 10.267159.627+3