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 Ke6 draw
3 Ke7 draw
4 Kf6 draw
5 Kg6 draw
6 Kg7 draw
7 Kg8 draw
8 Rc8 draw
9 Re8 draw
10 Rh8 draw
11 Ke8 loss in 6 half-moves
12 Ra8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves