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

EGTB: draw

# move score
1 Ra1 draw
2 Rd8 draw
3 g4 loss in 2 half-moves
4 Ra2 loss in 2 half-moves
5 Ra3 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Ra5 loss in 1 half-moves
15 Ra7 loss in 1 half-moves