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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Kc7 loss in 6 half-moves
3 Ka7 loss in 4 half-moves
4 Ka8 loss in 4 half-moves
5 Kb8 loss in 4 half-moves
6 Kc8 loss in 4 half-moves
7 Ka6 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Nc2 loss in 2 half-moves