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

EGTB: draw

# move score
1 Rb8 draw
2 Kg3 loss in 4 half-moves
3 Kg5 loss in 4 half-moves
4 Rg5 loss in 4 half-moves
5 Rg6 loss in 4 half-moves
6 Rg7 loss in 4 half-moves
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves