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

EGTB: draw

# move score
1 Rb8 draw
2 Re3 draw
3 Rf8 draw
4 Ka5 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves