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 Kf3 draw
3 Kf4 draw
4 Kg3 draw
5 Kh3 draw
6 Kh4 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Rc8 draw
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves