Diamond brig vod review

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Hey everyone, I'm a diamond brig one trick and I'm trying to hit masters. I feel like I'm playing good and yet I'm struggling to rank up if someone can vod review my game and tell me what I'm doing wrong I would appreciate it.

lijiang tower DMMD5P

Rialto 6KBHX7

Samoa 6ES0DX.

these are a couple of game's I think I played good and still lost (they all happened in a row so I got pretty frustrated)