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

EGTB: draw

# move score
1 Rg2 draw
2 Rg3 draw
3 Rg4 draw
4 Ra1 loss in 4 half-moves
5 Rh1 loss in 4 half-moves
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rg6 loss in 1 half-moves