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

EGTB: win in 4 half-moves

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