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

EGTB: win in 2 half-moves

# move score
1 Ke6 win in 1 half-moves
2 Ke8 win in 1 half-moves
3 Kd6 loss in 46 half-moves
4 Kf6 loss in 46 half-moves
5 Kd7 loss in 44 half-moves
6 Kf7 loss in 44 half-moves
7 Kd8 loss in 42 half-moves
8 Kf8 loss in 40 half-moves