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

EGTB: win in 8 half-moves

# move score
1 Ra8 win in 7 half-moves
2 Ra5 draw
3 Ka7 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kbc7 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kdc7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ka5 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kc5 loss in 1 half-moves