In a direct firefight every single one of them loses to Tiger(even IS-2, which I excluded).
I've specifically mentioned direct firefight, not perfect conditions.
Well i will reply with your words. PLAY TO THEIR STRENGTH. Its is absolutely easy to avoid Tigers with any of allied TDs.
And if you really want to drag it, explain to me how tiger loses to allied TDs that outrange it in perfect scenario, but IS-2 doesn't in the exact same setting axis will just take longer?
Because allied TDs are designed to fight heavies like Tiger but JP4 and StuG are for meds and they either lack the penetration that allied vehicles have or the range.
But I think you already knew those