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

EGTB: win in 4 half-moves

# move score
1 Na6 win in 3 half-moves
2 Kb7 win in 9 half-moves
3 Kb6 draw
4 Kc7 draw
5 Kd6 draw
6 Kd7 draw
7 Na4 draw
8 Nb7 draw
9 Nd7 draw
10 Ne4 draw
11 Kb5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Nb3 loss in 2 half-moves
14 Nd3 loss in 2 half-moves
15 Ne6 loss in 2 half-moves