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