29.White to move

In the position above it looks like an equal position for both side .The question is

a)From your point of view is it possible for white to gain an advantage and lead to a win?

Thanks again kumara for solving problem 28 by 1.d6 exd6 2.kd3 Bxg3 3.a5 d5 4.a6 Bb8 5.a7 Bxa7 lead to a draw by stalemate