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 Ra6 draw
3 Rc8 draw
4 Rg8 draw
5 Rh8 draw
6 Ra7 loss in 10 half-moves
7 Kf7 loss in 8 half-moves
8 Kf8 loss in 8 half-moves
9 Kg8 loss in 8 half-moves
10 Kh7 loss in 8 half-moves
11 Kh8 loss in 8 half-moves
12 Kh6 loss in 4 half-moves
13 Kf6 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Ra1 loss in 1 half-moves