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

EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Kb5 draw
3 Kb7 draw
4 Kc5 draw
5 Kd5 draw
6 Kd7 loss in 10 half-moves
7 Kb6 loss in 2 half-moves
8 Ne6 loss in 2 half-moves
9 Nf7 loss in 2 half-moves
10 Kc7 loss in 1 half-moves
11 Kd6 loss in 1 half-moves