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 Kg4 win in 1 half-moves
3 Kh4 win in 1 half-moves
4 Kf3 loss in 56 half-moves
5 Kf2 loss in 52 half-moves
6 Kg2 loss in 42 half-moves
7 Kh3 loss in 42 half-moves
8 Kh2 loss in 40 half-moves