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 Kb4 win in 7 half-moves
3 Kb6 win in 11 half-moves
4 Na5 win in 13 half-moves
5 Kb5 win in 25 half-moves
6 Kc6 win in 35 half-moves
7 Kc4 draw
8 Kd4 draw
9 Kd5 draw
10 Nc1 draw
11 Na1 loss in 12 half-moves
12 Nd2 loss in 2 half-moves
13 Nd4 loss in 2 half-moves