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 Kg7 loss in 8 half-moves
3 Rf1 loss in 8 half-moves
4 Rg2 loss in 8 half-moves
5 Rg3 loss in 8 half-moves
6 Rh1 loss in 8 half-moves
7 Kh7 loss in 6 half-moves
8 Kh8 loss in 6 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rc1 loss in 1 half-moves