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 Ra5 win in 1 half-moves
5 Kb6 win in 3 half-moves
6 Kb8 win in 3 half-moves
7 Rb8 win in 5 half-moves
8 K6b7 draw
9 K6c7 draw
10 K6d7 draw
11 Kd8 draw
12 Ra6 draw
13 K8b7 loss in 2 half-moves
14 K8c7 loss in 2 half-moves
15 K8d7 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra7 loss in 2 half-moves