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

EGTB: win in 2 half-moves

# move score
1 Rg4 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 Kee5 loss in 2 half-moves
6 Kee7 loss in 2 half-moves
7 Kef5 loss in 2 half-moves
8 Kef7 loss in 2 half-moves
9 Kfe5 loss in 2 half-moves
10 Kfe7 loss in 2 half-moves
11 Kff5 loss in 2 half-moves
12 Kff7 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh6 loss in 2 half-moves