Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rd6 draw
3 Kf1 loss in 2 half-moves
4 Kf2 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kgg2 loss in 2 half-moves
7 Kgh1 loss in 2 half-moves
8 Kh3 loss in 2 half-moves
9 Khg2 loss in 2 half-moves
10 Khh1 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh6 loss in 2 half-moves