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 Kd7 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 loss in 10 half-moves
6 Kd8 loss in 8 half-moves
7 Kf7 loss in 8 half-moves
8 Ra6 loss in 8 half-moves
9 Ke8 loss in 6 half-moves
10 Kf8 loss in 6 half-moves
11 Ra7 loss in 6 half-moves
12 Ra1 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 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 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra2 loss in 1 half-moves