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 K7b7 draw
3 K7b8 draw
4 Ka6 draw
5 Kb6 draw
6 Ra1 draw
7 Rc1 draw
8 Rg1 draw
9 Rh1 draw
10 K8b7 loss in 2 half-moves
11 K8b8 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves