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 Nc6 win in 3 half-moves
3 Nd7 win in 3 half-moves
4 Kb6 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Kb7 loss in 12 half-moves
9 Kc8 loss in 12 half-moves
10 Kc6 loss in 10 half-moves