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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Kb4 win in 7 half-moves
4 Kc6 win in 7 half-moves
5 Kd4 win in 7 half-moves
6 Kd6 win in 7 half-moves
7 Ra7 win in 7 half-moves
8 Kb7 win in 9 half-moves
9 Kb8 win in 9 half-moves
10 Kc8 win in 9 half-moves
11 Kd7 win in 9 half-moves
12 Kd8 win in 9 half-moves
13 Ra8 win in 9 half-moves
14 Ra2 draw
15 Kb3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves