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 Nc4 win in 1 half-moves
3 Bc4 loss in 1 half-moves
4 Bd5 loss in 1 half-moves
5 Be6 loss in 1 half-moves
6 Bf7 loss in 1 half-moves
7 Bh7 loss in 1 half-moves
8 Na4 loss in 1 half-moves
9 Nd1 loss in 1 half-moves
10 Nd3 loss in 1 half-moves