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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kf6 loss in 40 half-moves
3 Kf7 loss in 34 half-moves
4 Kg7 loss in 30 half-moves
5 Kh6 loss in 26 half-moves
6 Kh7 loss in 26 half-moves
7 Kg5 loss in 2 half-moves
8 Kh5 loss in 2 half-moves