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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb3 win in 9 half-moves
3 Kb4 win in 9 half-moves
4 Kb8 win in 9 half-moves
5 Kc4 win in 11 half-moves
6 Kd4 win in 11 half-moves
7 Ra3 win in 19 half-moves
8 Kb2 draw
9 Kc2 draw
10 Kd2 draw
11 Kd3 draw
12 Kd8 draw
13 Ra1 draw
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves