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

EGTB: win in 2 half-moves

# move score
1 Kc4 win in 1 half-moves
2 Kd4 win in 1 half-moves
3 Kd6 win in 1 half-moves
4 Ke5 win in 1 half-moves
5 Ke6 win in 1 half-moves
6 Kc6 draw
7 Kc5 loss in 2 half-moves
8 Ke4 loss in 2 half-moves