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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 loss in 12 half-moves
5 Ra1 loss in 8 half-moves
6 Rb2 loss in 6 half-moves
7 Rb3 loss in 6 half-moves
8 Rb4 loss in 6 half-moves
9 Rc1 loss in 4 half-moves
10 Rd1 loss in 4 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Rg1 loss in 1 half-moves