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

EGTB: win in 2 half-moves

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