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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 9 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Kc5 draw
7 Kc7 draw
8 Kd7 draw
9 Ke7 draw
10 Ke8 draw
11 Kf8 draw
12 Kg7 draw
13 Kg8 draw
14 Ra8 draw
15 Rd8 draw
16 Rf8 draw
17 Rh1 draw
18 Rh2 draw
19 Rh6 draw
20 Rh7 draw
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Kf6 loss in 2 half-moves
25 Kg6 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh3 loss in 2 half-moves
29 Rh4 loss in 2 half-moves
30 Rh5 loss in 2 half-moves