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