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 Kc5 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Na4 draw
5 Kb4 loss in 46 half-moves
6 Ka4 loss in 18 half-moves
7 Kc4 loss in 12 half-moves
8 Ka5 loss in 8 half-moves
9 Ka6 loss in 6 half-moves
10 Nc4 loss in 2 half-moves
11 Nd1 loss in 2 half-moves
12 Nd3 loss in 2 half-moves