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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Rc6 win in 3 half-moves
5 Kb2 win in 5 half-moves
6 Kc3 win in 5 half-moves
7 Kc6 win in 5 half-moves
8 Kd2 win in 5 half-moves
9 Kd7 win in 5 half-moves
10 Ra3 win in 5 half-moves
11 Ra7 win in 5 half-moves
12 Rb6 win in 5 half-moves
13 Ra2 win in 7 half-moves
14 Ra5 win in 7 half-moves
15 Ra8 win in 9 half-moves
16 Kb1 draw
17 Kc1 draw
18 Kd1 draw
19 Ke5 draw
20 Ke6 draw
21 Ke7 draw
22 Ra4 draw
23 Kd3 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Ra1 loss in 2 half-moves