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

EGTB: draw

# move score
1 Rg4 draw
2 Rg5 draw
3 Rg6 draw
4 Rg7 draw
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Re3 loss in 1 half-moves