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

EGTB: draw

# move score
1 Rb4 draw
2 Rc1 draw
3 Rd1 draw
4 Rb5 loss in 12 half-moves
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Re1 loss in 1 half-moves
19 Rh1 loss in 1 half-moves