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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 b5 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Kb5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Nb5 loss in 2 half-moves
9 Nc6 loss in 2 half-moves
10 Kc8 loss in 1 half-moves
11 Nc8 loss in 1 half-moves