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 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Re8 win in 1 half-moves
5 Rg8 win in 1 half-moves
6 Rh8 win in 1 half-moves
7 Ra6 draw
8 Ka1 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Ra3 loss in 1 half-moves
14 Ra4 loss in 1 half-moves
15 Ra5 loss in 1 half-moves
16 Ra7 loss in 1 half-moves
17 Rf8 loss in 1 half-moves