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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 win in 3 half-moves
3 Ka7 win in 3 half-moves
4 Kb5 win in 3 half-moves
5 Kb7 win in 3 half-moves
6 Kc5 win in 3 half-moves
7 Kc6 win in 3 half-moves
8 Kc7 win in 3 half-moves
9 Nb4 draw
10 Ne3 draw
11 Na1 loss in 10 half-moves
12 Na3 loss in 8 half-moves
13 Nd4 loss in 2 half-moves
14 Ne1 loss in 2 half-moves