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 Ba2 draw
3 Bb3 draw
4 Bb5 draw
5 Bd3 draw
6 Bd5 draw
7 Bf1 draw
8 Bg8 draw
9 Be2 loss in 8 half-moves
10 Ba6 loss in 2 half-moves
11 Be6 loss in 2 half-moves
12 Bf7 loss in 1 half-moves