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

EGTB: draw

# move score
1 Rb8 draw
2 Rc8 draw
3 Rg1 draw
4 Rg6 draw
5 Rg7 draw
6 Ra8 loss in 4 half-moves
7 Rd8 loss in 4 half-moves
8 Rh8 loss in 4 half-moves
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg2 loss in 1 half-moves
18 Rg3 loss in 1 half-moves
19 Rg5 loss in 1 half-moves