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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kgf7 win in 3 half-moves
3 Kh6 win in 3 half-moves
4 Kh7 win in 3 half-moves
5 Rh8 win in 3 half-moves
6 Ke8 win in 7 half-moves
7 Kg6 win in 7 half-moves
8 Kh8 draw
9 Ke7 loss in 2 half-moves
10 Kff7 loss in 2 half-moves