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

EGTB: draw

# move score
1 Rb8 draw
2 Kg1 loss in 2 half-moves
3 Kg2 loss in 2 half-moves
4 Kg3 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh3 loss in 2 half-moves
7 Rd8 loss in 2 half-moves
8 Re8 loss in 2 half-moves
9 Rf8 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 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 Rg7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Ra8 loss in 1 half-moves
19 Rc8 loss in 1 half-moves