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

EGTB: draw

# move score
1 Rb8 draw
2 Re8 draw
3 Rh8 draw
4 g7 loss in 4 half-moves
5 Ra8 loss in 2 half-moves
6 Rc8 loss in 2 half-moves
7 Rd8 loss in 2 half-moves
8 Rf8 loss in 2 half-moves
9 Rg7 loss in 2 half-moves