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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Na6 win in 3 half-moves
4 Kb7 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Nc6 loss in 2 half-moves
7 Nd7 loss in 2 half-moves