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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Kb4 win in 9 half-moves
6 Kb8 win in 9 half-moves
7 Ra4 win in 9 half-moves
8 Kb3 win in 11 half-moves
9 Kc3 win in 13 half-moves
10 Kd8 win in 17 half-moves
11 Kd3 draw
12 Kd4 draw
13 Ra1 draw
14 Ra6 draw
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves