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 Ba4 loss in 2 half-moves
3 Ba6 loss in 2 half-moves
4 Bd3 loss in 2 half-moves
5 Be2 loss in 2 half-moves
6 Be8 loss in 2 half-moves
7 Bf1 loss in 2 half-moves
8 Bc4 loss in 1 half-moves
9 Bc6 loss in 1 half-moves
10 Bd7 loss in 1 half-moves