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 Kd6 loss in 2 half-moves
3 Kd7 loss in 2 half-moves
4 Ke6 loss in 2 half-moves
5 Kef6 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kgf6 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Kd8 loss in 1 half-moves
19 Ke8 loss in 1 half-moves
20 Kf8 loss in 1 half-moves