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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka6 loss in 4 half-moves
3 Ka7 loss in 4 half-moves
4 Ka8 loss in 4 half-moves
5 Kb8 loss in 4 half-moves
6 Kc6 loss in 4 half-moves
7 Kc7 loss in 4 half-moves
8 Kc8 loss in 4 half-moves
9 Nf4 loss in 2 half-moves
10 Nf6 loss in 2 half-moves
11 Ng3 loss in 2 half-moves
12 Ng7 loss in 2 half-moves