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

EGTB: win in 4 half-moves

# move score
1 Kgh4 win in 3 half-moves
2 Kh2 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Kg2 win in 5 half-moves
5 Kh5 win in 5 half-moves
6 Kg5 draw
7 Kgg3 draw
8 Khg3 draw
9 Khh4 draw
10 Ra8 draw
11 Re8 draw
12 Rg6 draw
13 Rg7 draw
14 Rh8 draw
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 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 Rg5 loss in 2 half-moves