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 Kb4 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Kb8 win in 5 half-moves
6 Kc5 win in 5 half-moves
7 Kc7 win in 5 half-moves
8 Kd7 win in 5 half-moves
9 Kb3 win in 7 half-moves
10 Ra4 win in 7 half-moves
11 Kd4 win in 9 half-moves
12 Kd5 win in 9 half-moves
13 Ra7 win in 9 half-moves
14 Kc3 win in 11 half-moves
15 Kd8 win in 11 half-moves
16 Ra2 win in 27 half-moves
17 Kd3 draw
18 Ra1 draw
19 Ra3 draw
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves