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

EGTB: draw

# move score
1 Rb8 draw
2 Rg2 draw
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves