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 Ka3 draw
3 Ka5 draw
4 Kd2 draw
5 Kd3 draw
6 Ke2 draw
7 Kf2 draw
8 Kf3 draw
9 Ra3 draw
10 Rb1 draw
11 Rb2 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves