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 Ra7 draw
3 Rd7 draw
4 Re7 draw
5 Rf7 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kg2 loss in 2 half-moves
23 Kg3 loss in 2 half-moves
24 Kg4 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh7 loss in 2 half-moves