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

EGTB: draw

# move score
1 Rb8 draw
2 Ka5 loss in 6 half-moves
3 Ra8 loss in 6 half-moves
4 Ka3 loss in 4 half-moves
5 Kb3 loss in 4 half-moves
6 Kb4 loss in 4 half-moves
7 Rd8 loss in 4 half-moves
8 Re7 loss in 4 half-moves
9 Kb5 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Rc8 loss in 1 half-moves
19 Re6 loss in 1 half-moves