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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Rg1 draw
3 Rg2 draw
4 Rg6 draw
5 Rg7 draw
6 Rg8 draw
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves