Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Rg8 draw
2 Kh7 loss in 6 half-moves
3 Rh7 loss in 6 half-moves
4 Kg5 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kh5 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rd8 loss in 1 half-moves