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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Rg4 win in 1 half-moves
3 Rg2 draw
4 Kf5 loss in 2 half-moves
5 Kf6 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kg7 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rd1 loss in 1 half-moves