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 Kf6 loss in 44 half-moves
3 Kg6 loss in 42 half-moves
4 Kg7 loss in 40 half-moves
5 Kf8 loss in 36 half-moves
6 Kg8 loss in 36 half-moves
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves