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 Rg8 win in 1 half-moves
3 Rh8 win in 1 half-moves
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Kg6 draw
8 Kg7 draw
9 Kg8 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Kf6 loss in 1 half-moves
14 Kg1 loss in 1 half-moves
15 Kg2 loss in 1 half-moves
16 Kh2 loss in 1 half-moves
17 Ra8 loss in 1 half-moves