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

EGTB: draw

# move score
1 Rb4 draw
2 Rg2 draw
3 Rg5 draw
4 Rg6 draw
5 Rg7 draw
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh4 loss in 2 half-moves