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

EGTB: win in 4 half-moves

# move score
1 Nb1 win in 3 half-moves
2 Kg8 loss in 2 half-moves
3 Kh7 loss in 2 half-moves
4 Nb5 loss in 2 half-moves
5 Nc2 loss in 2 half-moves
6 Nc4 loss in 2 half-moves
7 Kg7 loss in 1 half-moves