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 Ke4 win in 1 half-moves
4 Kc5 loss in 42 half-moves
5 Kd6 loss in 36 half-moves
6 Ke6 loss in 36 half-moves
7 Kc6 loss in 30 half-moves
8 Ke5 loss in 2 half-moves