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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd6 draw
3 Ke6 draw
4 Kc7 loss in 50 half-moves
5 Kc8 loss in 40 half-moves
6 Kd8 loss in 40 half-moves
7 Ke7 loss in 40 half-moves
8 Ke8 loss in 40 half-moves