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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rd5 win in 1 half-moves
3 Ra3 win in 3 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra4 draw
7 Rg5 draw
8 Rh5 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 R5a6 loss in 2 half-moves
15 R5a7 loss in 2 half-moves
16 R8a6 loss in 2 half-moves
17 R8a7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves