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 Kb7 loss in 20 half-moves
3 Kc7 loss in 6 half-moves
4 Kd7 loss in 4 half-moves
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ne6 loss in 2 half-moves
11 Nf7 loss in 2 half-moves