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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kd7 draw
5 Ke7 draw
6 Kf7 draw
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Kf8 loss in 2 half-moves