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

EGTB: draw

# move score
1 Rg5 draw
2 Rg8 loss in 6 half-moves
3 Kb7 loss in 4 half-moves
4 Kb8 loss in 4 half-moves
5 Kc8 loss in 4 half-moves
6 Kd7 loss in 4 half-moves
7 Kd8 loss in 4 half-moves
8 Rg3 loss in 4 half-moves
9 Rg6 loss in 4 half-moves
10 Rh7 loss in 4 half-moves
11 Kb6 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg2 loss in 1 half-moves