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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rg1 win in 1 half-moves
3 Rg2 win in 1 half-moves
4 Rg3 win in 1 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kb1 draw
8 Kb2 draw
9 Kb3 draw
10 Kc5 draw
11 Kc6 draw
12 Kc7 draw
13 Kd5 draw
14 Kd7 draw
15 Ra8 draw
16 Rc8 draw
17 Re8 draw
18 Rf8 draw
19 Rg4 draw
20 Rg5 draw
21 Rg7 draw
22 Rh8 draw
23 Ke5 loss in 2 half-moves
24 Ke6 loss in 2 half-moves
25 Ke7 loss in 2 half-moves
26 Rd8 loss in 1 half-moves
27 Rg6 loss in 1 half-moves