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 Kc7 win in 3 half-moves
3 Kd7 loss in 24 half-moves
4 Ke6 loss in 22 half-moves
5 Ke7 loss in 12 half-moves
6 Kc5 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Ke5 loss in 2 half-moves