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 draw
3 Kd8 draw
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves