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

EGTB: win in 4 half-moves

# move score
1 Nf7 win in 3 half-moves
2 Kb4 loss in 6 half-moves
3 Kb5 loss in 4 half-moves
4 Kc4 loss in 4 half-moves
5 Kb6 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Ng6 loss in 2 half-moves
10 Kd6 loss in 1 half-moves