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 Rb6 win in 3 half-moves
3 Kc5 win in 5 half-moves
4 Kb6 win in 7 half-moves
5 Kb5 win in 11 half-moves
6 Kb7 draw
7 Kc7 draw
8 Kd3 draw
9 Kd5 draw
10 Kd6 draw
11 Ra3 draw
12 Kb2 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves