Hi, I am not the greatest player but I think I have a good grasp on the game and its mechanics.
Some Things to note:
1. I tend to like putting a squad in cover while capturing a position, it can make a difference between being suppressed and capturing a point or being pinned and forced to retreat. This can be a problem if you like to chain capture commands but your micro will improve slowly over time.
2. Try to not only look at one thing at a time. A lot of newer players tend to only watch one engagement and forget about microing their other units and or building units which can sometimes result in some resource float. It is important to watch engagements since unit preservation is key in CoH 2, but always try to be doing something.
3. The M20 is a good shock unit but I would not recommend it against numerous Ostruppen. Ostruppen are very spammible and don't bleed much man power. I think and M15AA Halftrack would a been more effective at kiting the infantry. Just note the M15 is most effective when it is reversed, a little more micro intensive but can certainly be more effective than the M20. Your opponent this match went with a really heavy T0 + Ostruppen and didn't get his T2 until about 7 minutes. The only situation in which you should get up close for DPS with the M20 is when you know a squad doesn't have access to a Panzerfaust to damage your engine. You got a little too aggressive with your M20 in this match.
4. I think you may have teched Grenades a little too early, I usually don't tech nades until after going Captain Tier and getting out a Stuart. I can understand that he had two MG42's, but I think getting grenades that early slowed your teching a little too much. That loss of the LT really hurt and you caught a bad break by having it drop a BAR. If you are struggling with MG's, going for a Pack Howitzer and using some Riflemen Flares can really help.
5. You didn't get any flamethrowers once you hit 3 CP's, Flamers are crazy good in their current state and basically negate cover. Don't forget to use the Captain's supervise ability to speed up the production of your units, even top tier players forget about this ability.
6. If you find yourself floating munitions and you don't know what to spend it on, Weapons Racks are always a good option. I tend to tech for BAR's around the same time as grenades before I make the trek to Armor from Major Tier.
7. I always make sure to get a minesweeper while building my first vehicle, in this case the M20. This also could have saved the Rifle squad you lost to S-Mines in the north. Your opponent didn't use any Teller Mines except for the ones later in the game but good players will. Don't forget to lay one or two M20 Mines just in case, they can come in handy later.
8. You played a little too passive at certain points in the match, which allowed him to bunker down and set up shop. It also delayed your tech and put you at a disadvantage since USF is an aggressive faction. Some fuel cache's could have really helped this game when you were floating MP but had little fuel income. You also lost a 50 cal and Rifle Squad to the Panzerwerfer's first barrage but managed to dodge the second and third barrages nicely. Maybe should have retreated a little earlier with the rifle on the second barrage. You were a bit slow at dodge the Railway Artillery but don't worry, that comes with time.
9. I tend to only use White Phosphorus on Support weapons(mortar,pak's,MG's) and other stationary positions like a forward retreat point. You could have also used your munitions on some of the major's abilities like the arty barrage and recon pass.
10. Don't be afraid to give your RE's BAR's since they scale moderately well into the late game, especially against Ostruppen. Also, squad wipes are really important in this game, try and focus down weak retreating squads.
11. I wouldn't build a 50-Cal if your opponent has a Panzerwerfer, just too difficult to consistently dodge and recrewing the Pack Howitzer was also a mistake. If you need some indirect fire, the M8A1 is better in the late game if you are up against a Panzerwerfer or even an OKW Stuka.
12. Smoke is really important for USF tanks since they can't take as much punishment as their Soviet and British counterparts. Use smoke to get away or block vision during an assault. You also lost your Stuart to a pak gun, just make sure to hotkey your most important units.
13. Always put your AT-Guns on Prioritize Vehicles so they don't shoot at infantry and give away their position and so they are not reloading when armor shows up. They rarely snipe infantry models unless you get some lucky RNG.
14. You built a second Easy Eight when he had two panthers, I personally think a Jackson would be a better fit in this situation. There were also some infantry engagements where you walked up a little too close to the enemy, make sure you use the halt or attack move commands in engagements.
Otherwise, I think you played pretty well, you were far better than your opponent in infantry engagements but the Panzerwerfer was certainly the equalizer. Don't be afraid to attack your opponent, aggression is USF's strong suit. For only having 30 games played, you have caught on pretty quickly when it comes to retreating and unit preservation. Don't feel bad about losing, we all started somewhere. If you don't have much time to play, try and find other ways to learn the game. I personally like watching casters like Imperial Dane, GeneralsGentlemen, and Tightrope. GGWP!