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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb6 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Kb8 loss in 2 half-moves
10 Ka2 loss in 1 half-moves
11 Ka6 loss in 1 half-moves
12 Kb1 loss in 1 half-moves
13 Kb2 loss in 1 half-moves
14 Kb7 loss in 1 half-moves