Opposite Bishop ending study

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Raj_Maj

Hi, here's a game I played on live, time was 15 min each.  We reached an opposite bishop color ending, and I wanted to know if this should have been a draw. 

I ended up winning on time after what I thought were mistakes from my opponent.  Please let me know if there is a line that would have given a draw.  Also, I'm pretty sure I would have been able to queen the 'a' pawn with a bishops help, just need confirmation that it can be done without drawing.  Thanks

JagdeepSingh

Why move 56...g2???  Kxh3 would be better right.  I agree that you would have still won the game if continued because of the Bishop