All about that space

This was a game just played live on chess.com 

B06 modern defense three pawns attack

It was blitz 10 minutes game, my opponent is slightly better ranked then me 2033 vs 1910 and out of the opening I get a lot of space and choose to sac a quality for an extra pawn.

He decided to exchange everything to reach the endgame and the pawn as proven valuable

Here is the game: