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 Ra5 draw
3 Ra6 draw
4 Ra7 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kgh4 loss in 2 half-moves
14 Kgh6 loss in 2 half-moves
15 Kgg4 loss in 1 half-moves
16 Kgg6 loss in 1 half-moves
17 Khg4 loss in 1 half-moves
18 Khg6 loss in 1 half-moves
19 Khh4 loss in 1 half-moves
20 Khh6 loss in 1 half-moves
21 Ra1 loss in 1 half-moves
22 Ra2 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