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

EGTB: win in 4 half-moves

# move score
1 Khg4 win in 3 half-moves
2 Kg3 win in 5 half-moves
3 Kh3 win in 5 half-moves
4 Kf5 win in 7 half-moves
5 Rh8 draw
6 Kf4 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kgg4 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Rh6 loss in 2 half-moves
12 Rh7 loss in 2 half-moves