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

EGTB: win in 2 half-moves

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