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

EGTB: draw

# move score
1 Rf8 draw
2 Rg8 draw
3 Kg1 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh2 loss in 2 half-moves
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Ra7 loss in 1 half-moves
16 Rc8 loss in 1 half-moves
17 Re8 loss in 1 half-moves