Didn't watch all the game but you should have win that game before 20 minutes. I stopped watching around 21 munites and it is at this moment you simply get overwhelmed by his blob
1- Good start but you don't use enough cover.
2- Build sandbags and wire evident cover used against you, there are some evident one on this map.
3- You are floating Munition while you can equip all your squads with 1 1919. After your first squad equipped it took you too much time to equip the others.
4- 1 mortar HT is good, 2 WTF?
You are playing well but you simply forget why you are playing: To win the match. So you believe because you won early game you can stale and stay in-definitively on T1 with mortar HT. I tell you a secret, that doesn't work, at least not with USF (at all).
You won the early game, you equip BARs/1919 and you build a good damn sherman to close the match.
I'll come back on what I said earlier in more details, you played well but he played really badly early game and you kill his kubel because he did crap.
You're not in cover vs the Kubel and when he finally get his sturmpio close to you you didn't retreat your RE squad in time. First you left it where it was when you could have soft retreat to a cover while your rifle shot at him. And next you wait to have 1 man left to retreat, if you can't win, retreat you don't need to take loses for nothing.
Now if he had use his Kubel + Sturmpio together, I believe you would have lost the early game. Think of it. Cover and don't let him close the gap on you with his sturm.
Some mistakes I saw:
1- You decrew its raken and you didn't pick it up or at least destroyed it => Noob mistake
. Everytime you kill a support team you pickup the weapon or you destroy it. (he took it back 5 minutes later)
2- No mines while having so much munitions is also an error, couple of mines in every evident path. At your level nobody use the sweeper.
3- Focus fire: make sure your squads are focusing the priority 1 target = Sturmpio.
4- Do not over invest on AI or AT. You have a really good commander Anti infantry, this means you must use your stock AT units. You should have had a sherman around 15 minute
5- Not enough reco, you don't know where is his truck and what is it.
6- Not enough aggressive, you should have reco his truck and force him with your troops covering your Mortar. => you manage to get him retreat his troops and you use phosphorus shells on his retreat point. Captain to start damaging his truck, on the mean time and when the sherman is in, you try to destroy his truck with it.
7- No more than 1 cache of each.
8- Past 5 minutes, fighting position are useless (except on narrow passes): he has raken, Shrecks, possible light vehicle etc...