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 Kd1 draw
3 Kd2 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke2 draw
8 Ke6 draw
9 Ke8 draw
10 Kf6 draw
11 Kf7 draw
12 Kf8 draw
13 Ra1 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra7 draw
18 Rc8 draw
19 Rd8 draw
20 Re8 draw
21 Kf1 loss in 2 half-moves
22 Kf2 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves