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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 loss in 22 half-moves
5 Kc7 loss in 16 half-moves
6 Kc5 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Na7 loss in 2 half-moves
9 Nd6 loss in 2 half-moves
10 Ne7 loss in 2 half-moves
11 Kb6 loss in 1 half-moves
12 Nb6 loss in 1 half-moves