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

EGTB: draw

# move score
1 Rg3 draw
2 Rg4 draw
3 Rg5 draw
4 Rg8 draw
5 Rh1 loss in 10 half-moves
6 Kc1 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg7 loss in 2 half-moves