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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kg2 draw
6 Kg3 draw
7 Kh2 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Rc8 draw
12 Rd8 draw
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves