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 Kc8 draw
4 Kd7 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Ra7 draw
10 Rc8 draw
11 Ra5 loss in 16 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Ra6 loss in 2 half-moves