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 Ke7 draw
6 Ke8 draw
7 Kg5 draw
8 Kh3 draw
9 Kh5 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rc8 draw
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves