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 Kb1 win in 3 half-moves
3 Kc1 win in 3 half-moves
4 Kc3 win in 3 half-moves
5 Kc5 win in 3 half-moves
6 Rb1 win in 3 half-moves
7 Rb3 win in 3 half-moves
8 Rb6 win in 3 half-moves
9 Kb3 win in 5 half-moves
10 Kd1 win in 5 half-moves
11 Kd2 win in 5 half-moves
12 Kd3 win in 5 half-moves
13 Kd5 win in 5 half-moves
14 Kd6 win in 5 half-moves
15 Kb6 win in 7 half-moves
16 Kb5 win in 9 half-moves
17 Kb7 draw
18 Kc7 draw
19 Ra2 draw
20 Rb4 draw
21 Kd7 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves