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

EGTB: draw

# move score
1 Rc8 draw
2 Rd8 draw
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh8 draw
7 Ka6 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves