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 Kb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Kb8 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kc8 win in 5 half-moves
7 Kd5 win in 5 half-moves
8 Kd6 win in 5 half-moves
9 Ra5 win in 5 half-moves
10 Ra6 win in 5 half-moves
11 Ra8 win in 5 half-moves
12 Kb7 win in 9 half-moves
13 Kd8 win in 9 half-moves
14 Kd7 win in 13 half-moves
15 Kb4 win in 17 half-moves
16 Kb3 win in 19 half-moves
17 Kc3 draw
18 Kc5 draw
19 Kd3 draw
20 Kd4 draw
21 Ra1 draw
22 Ra4 draw
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves