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 Kc5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Kd5 win in 5 half-moves
7 Kb7 draw
8 Kc7 draw
9 Kd1 draw
10 Kd6 draw
11 Kd7 draw
12 Ra1 draw
13 Kb2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd2 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 Rb7 loss in 2 half-moves