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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Ke7 win in 3 half-moves
3 Ke8 win in 9 half-moves
4 Kc7 win in 11 half-moves
5 Nd8 win in 11 half-moves
6 Kd8 win in 13 half-moves
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Na5 loss in 2 half-moves
11 Nc5 loss in 2 half-moves
12 Nd6 loss in 2 half-moves