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

EGTB: win in 14 half-moves

# move score
1 Nb6 win in 13 half-moves
2 Kf8 loss in 12 half-moves
3 Kf7 loss in 10 half-moves
4 Kh7 loss in 4 half-moves
5 Nc7 loss in 2 half-moves
6 Kg7 loss in 1 half-moves
7 Kh8 loss in 1 half-moves