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

EGTB: win in 2 half-moves

# move score
1 Kf4 win in 1 half-moves
2 Kf6 win in 1 half-moves
3 Kg4 win in 1 half-moves
4 Kh4 win in 1 half-moves
5 Kh6 loss in 16 half-moves
6 Kh5 loss in 10 half-moves
7 Kf5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves