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 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kfg7 loss in 2 half-moves
7 Kfg8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kh6 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Khg7 loss in 2 half-moves
12 Khg8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves