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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kg3 draw
3 Kg6 draw
4 Kgg5 draw
5 Kgh4 draw
6 Kh3 draw
7 Kh6 draw
8 Khg5 draw
9 Khh4 draw
10 Ra8 draw
11 Re8 draw
12 Rh8 draw
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves