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 Kd6 draw
3 Kf6 draw
4 Kf7 draw
5 Ke8 loss in 42 half-moves
6 Kf8 loss in 42 half-moves
7 Kd7 loss in 36 half-moves
8 Kd8 loss in 34 half-moves