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

EGTB: draw

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