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

EGTB: draw

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