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 Khg5 win in 3 half-moves
3 Kg6 win in 5 half-moves
4 Kh7 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Rh7 win in 5 half-moves
7 Kf3 draw
8 Kf4 draw
9 Kf5 draw
10 Kg3 draw
11 Kgg5 draw
12 Kgh5 draw
13 Kh3 draw
14 Kh4 draw
15 Khh5 draw
16 Rd8 draw
17 Re8 draw
18 Rg8 draw
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves