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