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 Bc6 win in 1 half-moves
3 Be4 win in 1 half-moves
4 Bb7 loss in 2 half-moves
5 Bd5 loss in 2 half-moves
6 Bf3 loss in 2 half-moves
7 Bh1 loss in 2 half-moves
8 Nb1 loss in 2 half-moves
9 Nb5 loss in 2 half-moves
10 Nc2 loss in 2 half-moves
11 Bg2 loss in 1 half-moves
12 Nc4 loss in 1 half-moves