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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb7 draw
3 Ra1 draw
4 Rb2 draw
5 Rb4 draw
6 Rb5 draw
7 Kb6 loss in 8 half-moves
8 Kb8 loss in 8 half-moves
9 Ka6 loss in 6 half-moves
10 Ka8 loss in 6 half-moves
11 Rc1 loss in 4 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rf1 loss in 1 half-moves