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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rg6 draw
3 Rg7 loss in 6 half-moves
4 Ke6 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Ra1 loss in 1 half-moves
21 Rc1 loss in 1 half-moves
22 Re1 loss in 1 half-moves