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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kg4 loss in 28 half-moves
3 Kg6 loss in 26 half-moves
4 Kh4 loss in 22 half-moves
5 Kh6 loss in 20 half-moves
6 Kh5 loss in 18 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves