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 Re8 win in 1 half-moves
3 Rc8 draw
4 Rd8 draw
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kgg7 loss in 2 half-moves
10 Kgh6 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khh6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves