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 Rg2 win in 5 half-moves
3 Rb7 draw
4 Ke1 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kfg3 loss in 2 half-moves
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Kh5 loss in 2 half-moves
16 Khg3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves