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

EGTB: win in 2 half-moves

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