Poles guidance needed!

I have been a fan of Winged Hussars and was really happy when Poles were annouced as a DLC for the game. I tried using them once but failed miserably as they got severely cut down by stronger cavs and archers. I usually play for fun with friends or with AI and don't really play competitive. Could some please help me with a good strategy of how to use Poles? Beginner to intermediate level here just trying out some favourite civs based on history and past experiences..