You can boost this with a friend or another copy of the game on another system. You have to choose the two different teams at the same time and you should be put into the same lobby. If you can't do this then you have a 50% chance of winning. You don't need to be that high of a level or experienced because its ranked. Make sure you spawn in the most troops you can. You can switch the attack type with
. This will come eventually because its half luck and half skill.