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 Kgg8 draw
3 Ra1 draw
4 Ra2 draw
5 Ra7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Kgh6 loss in 2 half-moves
15 Kgh8 loss in 2 half-moves
16 Kgg6 loss in 1 half-moves
17 Khg6 loss in 1 half-moves
18 Khg8 loss in 1 half-moves
19 Khh6 loss in 1 half-moves
20 Khh8 loss in 1 half-moves
21 Ra3 loss in 1 half-moves
22 Ra4 loss in 1 half-moves
23 Ra5 loss in 1 half-moves
24 Ra6 loss in 1 half-moves
25 Rc8 loss in 1 half-moves