Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 b5 win in 3 half-moves
2 Ba8 draw
3 Bc6 draw
4 Be4 draw
5 Bg2 draw
6 Bg8 draw
7 Bh1 draw
8 Ba2 loss in 6 half-moves
9 Bc4 loss in 6 half-moves
10 Bf7 loss in 4 half-moves
11 Bb3 loss in 2 half-moves
12 Bb7 loss in 2 half-moves
13 Be6 loss in 2 half-moves
14 Bf3 loss in 2 half-moves