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 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Kg8 draw
7 Kh6 draw
8 Kh7 draw
9 Kh8 draw
10 Ra6 draw
11 Ra7 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Rg8 draw
16 Ra3 loss in 4 half-moves
17 Ra4 loss in 4 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra5 loss in 1 half-moves