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