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 3 half-moves
3 Rh8 win in 3 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra7 draw
8 Rd8 draw
9 Rg8 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Kfg1 loss in 1 half-moves
23 Kfg2 loss in 1 half-moves
24 Kfg3 loss in 1 half-moves
25 Khg1 loss in 1 half-moves
26 Khg2 loss in 1 half-moves
27 Khg3 loss in 1 half-moves