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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Ka8 win in 3 half-moves
3 Kb2 win in 3 half-moves
4 Kb3 win in 3 half-moves
5 Kb4 win in 3 half-moves
6 Kc2 win in 3 half-moves
7 Kc4 win in 3 half-moves
8 Kd4 win in 3 half-moves
9 Ra2 win in 3 half-moves
10 Ra4 win in 3 half-moves
11 Rb3 win in 3 half-moves
12 Ka6 win in 5 half-moves
13 Kb6 win in 5 half-moves
14 Kb8 win in 5 half-moves
15 Kc7 win in 5 half-moves
16 Kd3 win in 5 half-moves
17 Ra7 win in 5 half-moves
18 Kc6 win in 7 half-moves
19 Kc8 win in 7 half-moves
20 Ra5 win in 11 half-moves
21 Kd2 draw
22 Ra1 draw
23 Ra6 loss in 2 half-moves
24 Ra8 loss in 2 half-moves