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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Ka6 draw
4 Kb6 draw
5 Kc6 draw
6 Ka7 loss in 36 half-moves
7 Kb8 loss in 34 half-moves
8 Ka8 loss in 22 half-moves