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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Ka3 loss in 2 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Ka5 loss in 1 half-moves
15 Ra5 loss in 1 half-moves