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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 Rg3 loss in 10 half-moves
3 Rg8 loss in 10 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Ra1 loss in 1 half-moves
18 Rb1 loss in 1 half-moves
19 Rc1 loss in 1 half-moves