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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kc5 draw
5 Nc5 draw
6 Ka5 loss in 12 half-moves
7 Ka4 loss in 10 half-moves
8 Ka6 loss in 10 half-moves
9 Kb6 loss in 10 half-moves
10 Na5 loss in 10 half-moves
11 Nd6 loss in 2 half-moves
12 Nd8 loss in 1 half-moves