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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb7 draw
5 Kb8 draw
6 Kc8 draw
7 Ke8 draw
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves