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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ba8 win in 1 half-moves
3 Bg2 win in 1 half-moves
4 Bg6 win in 1 half-moves
5 Bb1 loss in 2 half-moves
6 Bb7 loss in 2 half-moves
7 Bc2 loss in 2 half-moves
8 Bd3 loss in 2 half-moves
9 Bf3 loss in 2 half-moves
10 Bf5 loss in 2 half-moves
11 Bh1 loss in 2 half-moves
12 Bh7 loss in 2 half-moves
13 Bc6 loss in 1 half-moves
14 Bd5 loss in 1 half-moves