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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kcb7 win in 7 half-moves
3 Ra1 win in 7 half-moves
4 Ra2 win in 7 half-moves
5 Kc8 win in 9 half-moves
6 Kd8 win in 11 half-moves
7 Kb8 draw
8 Kbc6 draw
9 Kcc6 draw
10 Ra3 draw
11 Ra7 draw
12 Ka5 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kbb7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves