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 Kg1 draw
3 Kg2 draw
4 Kg6 draw
5 Kg8 draw
6 Kh1 draw
7 Kh3 draw
8 Kh6 draw
9 Kh7 draw
10 Kh8 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Rg8 draw
16 Rh8 draw
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves