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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc5 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Rb5 win in 3 half-moves
7 Ra7 win in 7 half-moves
8 K6b6 draw
9 Rb6 draw
10 Kb5 loss in 4 half-moves
11 K6d6 loss in 2 half-moves
12 K6d7 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 K7d6 loss in 2 half-moves
15 K7d7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves