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 Ra3 draw
3 Rd3 draw
4 Re3 draw
5 Rf3 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh3 loss in 2 half-moves