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 Kc7 draw
3 Nd3 draw
4 Ne2 draw
5 Kc6 loss in 8 half-moves
6 Kb6 loss in 6 half-moves
7 Kb8 loss in 6 half-moves
8 Ka6 loss in 4 half-moves
9 Ka7 loss in 4 half-moves
10 Ka8 loss in 4 half-moves
11 Kc8 loss in 4 half-moves
12 Nb3 loss in 2 half-moves