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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Rg6 win in 3 half-moves
3 Kh3 win in 5 half-moves
4 Rh5 win in 5 half-moves
5 Kh5 win in 7 half-moves
6 Kg3 draw
7 Kg6 draw
8 Khg5 draw
9 Ke5 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kfg5 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves