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

EGTB: draw

# move score
1 Rg4 draw
2 Rd4 loss in 4 half-moves
3 Ka6 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rc1 loss in 1 half-moves
14 Rc2 loss in 1 half-moves
15 Rc3 loss in 1 half-moves
16 Rc5 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves