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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Ka6 loss in 12 half-moves
4 Kb8 loss in 12 half-moves
5 Rc8 loss in 12 half-moves
6 Rd8 loss in 10 half-moves
7 Rh8 loss in 10 half-moves
8 Rb8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves