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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kb5 draw
3 Na5 draw
4 Ka5 loss in 18 half-moves
5 Ka6 loss in 16 half-moves
6 Ka7 loss in 10 half-moves
7 Kc6 loss in 10 half-moves
8 Kc7 loss in 10 half-moves
9 Nd8 loss in 10 half-moves
10 Nc5 loss in 2 half-moves
11 Nd6 loss in 2 half-moves