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