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 Rg7 draw
3 Kg2 loss in 2 half-moves
4 Kh1 loss in 2 half-moves
5 Kh3 loss in 2 half-moves
6 Ra1 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Kg3 loss in 1 half-moves
18 Rg3 loss in 1 half-moves