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 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kd7 draw
8 Kg6 draw
9 Kg7 draw
10 Kg8 draw
11 Kh6 draw
12 Kh8 draw
13 Ra7 draw
14 Kb6 loss in 1 half-moves
15 Kb8 loss in 1 half-moves
16 Kc6 loss in 1 half-moves
17 Kc8 loss in 1 half-moves
18 Kd6 loss in 1 half-moves
19 Kd8 loss in 1 half-moves
20 Rb1 loss in 1 half-moves