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