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 Kf1 draw
11 Kf2 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Rc8 draw
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves