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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Rg7 win in 3 half-moves
3 Rc1 draw
4 Kf7 loss in 2 half-moves
5 Kf8 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kh7 loss in 2 half-moves
8 Kh8 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh1 loss in 2 half-moves