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 Kc8 win in 3 half-moves
4 Kd6 win in 5 half-moves
5 Kd8 loss in 8 half-moves
6 Ke7 loss in 8 half-moves
7 Ke6 loss in 6 half-moves
8 Ke8 loss in 6 half-moves