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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rc3 win in 1 half-moves
3 Rb3 draw
4 Ka1 loss in 2 half-moves
5 Kb1 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Kb3 loss in 1 half-moves
16 Rd3 loss in 1 half-moves