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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kd7 draw
3 Kf8 draw
4 Ra6 draw
5 Ra7 draw
6 Kd8 loss in 30 half-moves
7 Rb8 loss in 12 half-moves
8 Ra2 loss in 4 half-moves
9 Ke7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Ra1 loss in 1 half-moves