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 Kc8 draw
3 Kd7 draw
4 Ke7 draw
5 Ke8 draw
6 Kg2 draw
7 Kg4 draw
8 Kh2 draw
9 Kh3 draw
10 Kh4 draw
11 Ra1 draw
12 Ra2 draw
13 Ra6 draw
14 Ra7 draw
15 Kc7 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Rc8 loss in 2 half-moves