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

EGTB: draw

# move score
1 Ra7 draw
2 Rc8 loss in 6 half-moves
3 Kc8 loss in 4 half-moves
4 Ke8 loss in 4 half-moves
5 Ra1 loss in 4 half-moves
6 Ra2 loss in 4 half-moves
7 Ra3 loss in 4 half-moves
8 Rb8 loss in 4 half-moves
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves