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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb7 draw
3 Ra1 draw
4 Ra5 draw
5 Ra6 draw
6 Kb6 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Kb8 loss in 1 half-moves
15 Kc8 loss in 1 half-moves
16 Kd8 loss in 1 half-moves