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 Rb6 draw
3 Kb1 loss in 2 half-moves
4 Kb2 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves