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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ra5 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Kb1 win in 5 half-moves
5 Kb4 win in 5 half-moves
6 Kd2 win in 5 half-moves
7 Ra1 win in 5 half-moves
8 Kd1 win in 9 half-moves
9 Ra6 win in 9 half-moves
10 Ra7 win in 9 half-moves
11 Kc2 win in 13 half-moves
12 Ra8 draw
13 Kb3 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves