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

EGTB: win in 10 half-moves

# move score
1 Kc7 win in 9 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Na4 draw
9 Nd3 draw
10 Ka7 loss in 4 half-moves
11 Nc4 loss in 2 half-moves
12 Nd1 loss in 2 half-moves