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