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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rb8 draw
3 Kd8 loss in 2 half-moves
4 Ra1 loss in 2 half-moves
5 Ra2 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Kb7 loss in 1 half-moves
11 Kb8 loss in 1 half-moves
12 Kc7 loss in 1 half-moves
13 Kd7 loss in 1 half-moves