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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Ke7 win in 3 half-moves
3 Ke8 win in 3 half-moves
4 Kg6 loss in 30 half-moves
5 Kg7 loss in 30 half-moves
6 Kf6 loss in 28 half-moves
7 Kf8 loss in 28 half-moves
8 Kg8 loss in 22 half-moves