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 Rf8 win in 1 half-moves
6 Rg8 win in 1 half-moves
7 Ka2 draw
8 Ka4 draw
9 Ka6 draw
10 Kb1 draw
11 Kb2 draw
12 Ra6 draw
13 Ra7 draw
14 Kb4 loss in 1 half-moves
15 Kb5 loss in 1 half-moves
16 Kb6 loss in 1 half-moves
17 Rh8 loss in 1 half-moves