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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Rb2 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc1 draw
16 Rd1 draw
17 Rf1 draw
18 Rg1 draw
19 Rh1 draw
20 Ra1 loss in 1 half-moves
21 Rb3 loss in 1 half-moves
22 Re1 loss in 1 half-moves