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 Kd5 loss in 2 half-moves
3 Kd6 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh6 loss in 2 half-moves