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

EGTB: win in 2 half-moves

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