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

EGTB: draw

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