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 Kc6 win in 3 half-moves
3 Kc5 draw
4 Kc4 loss in 20 half-moves
5 Nb6 loss in 16 half-moves
6 Kb4 loss in 10 half-moves
7 Ka4 loss in 8 half-moves
8 Ka5 loss in 8 half-moves
9 Ka6 loss in 4 half-moves
10 Na7 loss in 4 half-moves
11 Nd6 loss in 4 half-moves
12 Ne7 loss in 1 half-moves