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

EGTB: win in 4 half-moves

# move score
1 Kg8 win in 3 half-moves
2 Kf5 win in 5 half-moves
3 Kg5 win in 5 half-moves
4 Kh4 win in 5 half-moves
5 Kh5 win in 5 half-moves
6 Rg8 win in 5 half-moves
7 Rh4 win in 5 half-moves
8 Ke8 win in 7 half-moves
9 Kf4 win in 7 half-moves
10 Kf3 draw
11 Kg3 draw
12 Kh3 draw
13 Rh2 draw
14 Ke7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves