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 win in 3 half-moves
3 Ke6 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Kf6 loss in 2 half-moves
6 Kfg6 loss in 2 half-moves
7 Kfg7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Khg6 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves