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 4 half-moves
3 Kg7 loss in 2 half-moves
4 Kg8 loss in 2 half-moves
5 Ra1 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Ra2 loss in 1 half-moves