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 K7b7 draw
3 K8b7 draw
4 Ra1 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rg1 draw
11 Rh1 draw
12 K7b8 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 K8b8 loss in 1 half-moves
16 Rb3 loss in 1 half-moves
17 Rc1 loss in 1 half-moves
18 Rd1 loss in 1 half-moves
19 Re1 loss in 1 half-moves
20 Rf1 loss in 1 half-moves