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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rf8 win in 9 half-moves
3 Rh8 win in 9 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra6 draw
8 Rd8 draw
9 Rg8 draw
10 Ke3 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kfg3 loss in 2 half-moves
16 Kfg4 loss in 2 half-moves
17 Kfg5 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Khg3 loss in 2 half-moves
21 Khg4 loss in 2 half-moves
22 Khg5 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves