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 Kd7 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Ke7 win in 1 half-moves
5 Kf7 win in 1 half-moves
6 Kf8 draw
7 Ka5 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb6 loss in 1 half-moves