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 Ke7 draw
3 Kf6 draw
4 Kf8 draw
5 Kg7 draw
6 Kg8 draw
7 Ra6 draw
8 Ra7 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Kg6 loss in 12 half-moves
14 Ke6 loss in 8 half-moves
15 Ke8 loss in 8 half-moves
16 Ra4 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra5 loss in 1 half-moves