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 Kc5 draw
3 Kc6 draw
4 Kd7 draw
5 Ke6 draw
6 Ke7 draw
7 Kd5 loss in 2 half-moves
8 Ke5 loss in 2 half-moves