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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc7 win in 5 half-moves
5 Kd2 win in 5 half-moves
6 Ra1 win in 5 half-moves
7 Rb2 win in 5 half-moves
8 Kb2 win in 7 half-moves
9 Kc6 win in 7 half-moves
10 Kc1 draw
11 Kc5 draw
12 Kd1 draw
13 Kd7 draw
14 Ke5 draw
15 Ke6 draw
16 Ke7 draw
17 Ra3 draw
18 Ra4 draw
19 Ra5 draw
20 Kd3 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves