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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Rf8 win in 7 half-moves
5 Ra1 draw
6 Ra2 draw
7 Ra4 draw
8 Rc8 draw
9 Rh8 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf7 loss in 2 half-moves
23 Kg5 loss in 2 half-moves
24 Kg6 loss in 2 half-moves
25 Kg7 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra5 loss in 2 half-moves
28 Ra6 loss in 2 half-moves
29 Ra7 loss in 2 half-moves
30 Rb8 loss in 2 half-moves