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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ra4 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kb5 win in 7 half-moves
5 Kb8 win in 7 half-moves
6 Ra5 win in 7 half-moves
7 Ra1 win in 11 half-moves
8 Ra2 win in 11 half-moves
9 Kb4 draw
10 Kc4 draw
11 Kc6 draw
12 Ra3 draw
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves