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 Kb5 win in 5 half-moves
3 Ka5 win in 7 half-moves
4 Kb6 win in 7 half-moves
5 Kb7 win in 9 half-moves
6 Nc6 win in 37 half-moves
7 Ka7 draw
8 Nc2 draw
9 Nd5 draw
10 Nd3 loss in 2 half-moves