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 Bc4 win in 5 half-moves
3 Bb1 draw
4 Bb3 loss in 2 half-moves
5 Bd5 loss in 2 half-moves
6 Be6 loss in 2 half-moves
7 Bf7 loss in 2 half-moves
8 Bg8 loss in 2 half-moves