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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Nd7 loss in 30 half-moves
5 Na6 loss in 16 half-moves
6 Nc6 loss in 16 half-moves
7 Kc7 loss in 1 half-moves