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

EGTB: win in 4 half-moves

# move score
1 Na2 win in 3 half-moves
2 Ka5 win in 7 half-moves
3 Ka6 win in 7 half-moves
4 Kb6 win in 7 half-moves
5 Nc6 win in 7 half-moves
6 Kc6 draw
7 Na6 draw
8 Nd5 draw
9 Ka4 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Nc2 loss in 2 half-moves
13 Nd3 loss in 2 half-moves