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 Rg7 loss in 6 half-moves
3 Ke6 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 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 Rh1 loss in 2 half-moves
18 Ra1 loss in 1 half-moves
19 Rb1 loss in 1 half-moves
20 Rc1 loss in 1 half-moves
21 Rd1 loss in 1 half-moves
22 Re1 loss in 1 half-moves