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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kh7 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Khg5 win in 7 half-moves
5 Khg6 win in 7 half-moves
6 Ke6 win in 9 half-moves
7 Kf6 win in 9 half-moves
8 Ke5 draw
9 Kfg5 draw
10 Kfg6 draw
11 Kh5 draw
12 Ra8 draw
13 Rf8 draw
14 Rg8 draw
15 Ke4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves