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 Kd1 draw
5 Kd2 draw
6 Kd7 draw
7 Ke2 draw
8 Ke7 draw
9 Ke8 draw
10 Ra1 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rc8 draw
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Ra2 loss in 2 half-moves