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 Ra2 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 Kf1 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kgh1 loss in 2 half-moves
15 Kgh3 loss in 2 half-moves
16 Kgg1 loss in 1 half-moves
17 Kgg3 loss in 1 half-moves
18 Khg1 loss in 1 half-moves
19 Khg3 loss in 1 half-moves
20 Khh1 loss in 1 half-moves
21 Khh3 loss in 1 half-moves
22 Ra1 loss in 1 half-moves
23 Ra3 loss in 1 half-moves
24 Ra4 loss in 1 half-moves
25 Rc8 loss in 1 half-moves