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 Rb1 draw
3 Rb2 draw
4 Rg7 draw
5 Kb3 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves
29 Kb1 loss in 1 half-moves
30 Kb2 loss in 1 half-moves