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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Kf2 win in 7 half-moves
5 Kf3 win in 7 half-moves
6 Kf4 win in 7 half-moves
7 Kg4 win in 7 half-moves
8 Kh3 win in 7 half-moves
9 Kh4 win in 7 half-moves
10 Rh7 win in 7 half-moves
11 Ke7 win in 15 half-moves
12 Kg2 win in 17 half-moves
13 Kh2 win in 17 half-moves
14 Ke8 draw
15 Kf8 draw
16 Kg8 draw
17 Rg6 draw
18 Ke6 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves