Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Rb8 draw
3 Ra8 loss in 12 half-moves
4 Rc8 loss in 6 half-moves
5 Rd8 loss in 6 half-moves
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rg2 loss in 1 half-moves
15 Rg3 loss in 1 half-moves
16 Rg4 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rg6 loss in 1 half-moves
19 Rg7 loss in 1 half-moves