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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Kd8 draw
5 Ke8 draw
6 Nb6 draw
7 Nd6 draw
8 Ne7 draw
9 Kc6 loss in 12 half-moves
10 Na7 loss in 12 half-moves
11 Kc7 loss in 6 half-moves