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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Kc2 win in 5 half-moves
3 Kb1 win in 7 half-moves
4 Kb2 win in 7 half-moves
5 Kc6 win in 7 half-moves
6 Ke5 win in 7 half-moves
7 Kc5 win in 9 half-moves
8 Kd7 win in 13 half-moves
9 Kc7 win in 21 half-moves
10 Ke6 draw
11 Ke7 draw
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves