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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kf1 loss in 2 half-moves
3 Kf3 loss in 2 half-moves
4 Kfg3 loss in 2 half-moves
5 Kg1 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kh3 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Khg3 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Ke1 loss in 1 half-moves
19 Ke2 loss in 1 half-moves
20 Ke3 loss in 1 half-moves