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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Ke7 win in 5 half-moves
3 Ke5 loss in 60 half-moves
4 Kd5 loss in 56 half-moves
5 Kd6 loss in 52 half-moves
6 Kd7 loss in 52 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves