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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Rb3 win in 1 half-moves
5 Rb4 win in 1 half-moves
6 Rb5 win in 1 half-moves
7 K6b7 draw
8 Rb6 draw
9 Rb7 draw
10 K6c7 loss in 2 half-moves
11 K6d7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 K8c7 loss in 2 half-moves
14 K8d7 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves