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 Kg7 draw
3 Kh5 draw
4 Kh7 draw
5 Rf1 draw
6 Rg2 draw
7 Rg4 draw
8 Rg5 draw
9 Rg7 draw
10 Rb1 loss in 8 half-moves
11 Kg5 loss in 4 half-moves
12 Kg6 loss in 4 half-moves
13 Rc1 loss in 4 half-moves
14 Re1 loss in 4 half-moves
15 Rh1 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg6 loss in 2 half-moves