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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Kgh7 win in 5 half-moves
3 Kf7 draw
4 Kf8 draw
5 Kgg7 draw
6 Khh7 draw
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Khg7 loss in 2 half-moves