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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves