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

EGTB: draw

# move score
1 Rf4 draw
2 Rg1 draw
3 Rg5 draw
4 Rg7 draw
5 Rg8 draw
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rg2 loss in 1 half-moves
19 Rg6 loss in 1 half-moves