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