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

EGTB: win in 8 half-moves

# move score
1 Rh8 win in 7 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Re4 draw
10 Rg8 draw
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kgg5 loss in 2 half-moves
15 Kgg7 loss in 2 half-moves
16 Kgh5 loss in 2 half-moves
17 Kgh7 loss in 2 half-moves
18 Khg5 loss in 2 half-moves
19 Khg7 loss in 2 half-moves
20 Khh5 loss in 2 half-moves
21 Khh7 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves