A replay would be useful.
Go to your documents -> my games -> coh2 -> playback, there will be a file called "temp" which is a replay of your latest game. Upload here on coh2.org in the "replays" section.
I've played a couple of games since then so I cannot do it right now, but I'll make sure to upload a replay if a game like that happens again.
The biggest problem early game in my eyes is that I have simply less infantry power than the Ostheer player. When I get my first penal the OH player has 1 gren, MG42 and pioneers when I only have 2 combat engineers (which are nowhere near as effective at combat as pioneers) and a penal squad.
By the time the scout car comes out the OH player is likely to have another squad of grens/AssGrens out to cover the MG. I feel that if I don't make a super effective play with the clown car I simply lose the game outright.