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 Kd1 draw
8 Kf1 draw
9 Ra1 draw
10 Rb6 draw
11 Rb7 draw
12 Rc1 draw
13 Kd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rd1 loss in 2 half-moves