Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb7 draw
3 Rb8 draw
4 Rc8 loss in 10 half-moves
5 Rh8 loss in 10 half-moves
6 Kb8 loss in 8 half-moves
7 Kd7 loss in 8 half-moves
8 Rg6 loss in 8 half-moves
9 Kc8 loss in 4 half-moves
10 Kd8 loss in 4 half-moves
11 Rg1 loss in 4 half-moves
12 Rg7 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg2 loss in 1 half-moves