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

EGTB: win in 4 half-moves

# move score
1 Kh5 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Ke7 win in 9 half-moves
4 Kg5 win in 9 half-moves
5 Ke8 win in 11 half-moves
6 Kf8 win in 15 half-moves
7 Kg8 draw
8 Kh6 draw
9 Kh7 draw
10 Rg8 draw
11 Ke6 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kff6 loss in 2 half-moves
14 Kgf6 loss in 2 half-moves