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

EGTB: win in 4 half-moves

# move score
1 Ka1 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Kb5 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Kc4 win in 3 half-moves
7 Kd4 win in 3 half-moves
8 Ka3 win in 7 half-moves
9 Kb1 win in 7 half-moves
10 Kc1 win in 7 half-moves
11 Kc3 win in 7 half-moves
12 Ra1 win in 7 half-moves
13 Ra3 win in 7 half-moves
14 Ra4 win in 9 half-moves
15 Kc2 draw
16 Kc6 draw
17 Kd5 draw
18 Kd6 draw
19 Ra5 draw
20 Ra8 draw
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves