How to play the Finnish Panzer 4?

https://preview.redd.it/5c7j8xw05sfe1.png?width=1280&format=png&auto=webp&s=ba402035c6bf7bef6f1de2f49799e0c34cb84394

I had like 15 games with it, got zero kills. It has no armour, slow turret and bad reverse speed.