From the rant, it looks to me like you play random 2v2 and you might possible be facing an AT team.
Thanks for the reply. But T34-85s are cutting everything what is made of flesh and Guards are literally unbeatable by OST infantry, they beat MG grens at range and decimate Pgrens if you try to close on them.
I went for StuGs for countering T-34/85s but them being case-mate and considering T-34/85s mobility i often damaged them but with their 800HP they simply overrun and flank them easily.
And for FMR, my opponent had 2 un-upgraded penals with one having PTRS. That one PTRS, running like madman, constantly forced my armor back while other two handled the MG-42 with sprint.