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

EGTB: draw

# move score
1 Rb1 draw
2 Rg4 draw
3 Rg5 draw
4 Rg6 draw
5 Rg8 draw
6 Ra1 loss in 4 half-moves
7 Ka5 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rf1 loss in 1 half-moves