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