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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ra1 draw
3 Ra3 draw
4 Ra4 draw
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Kb7 loss in 1 half-moves
13 Kc7 loss in 1 half-moves
14 Kd5 loss in 1 half-moves
15 Kd6 loss in 1 half-moves
16 Kd7 loss in 1 half-moves