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

EGTB: win in 2 half-moves

# move score
1 Kc6 win in 1 half-moves
2 Ke5 win in 1 half-moves
3 Kd7 loss in 36 half-moves
4 Kc7 loss in 34 half-moves
5 Ke7 loss in 34 half-moves
6 Kc5 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves