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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kg6 draw
6 Kg8 draw
7 Kh1 draw
8 Kh2 draw
9 Kh6 draw
10 Kh7 draw
11 Kh8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Rg8 draw
17 Rh8 draw
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 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