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

EGTB: win in 4 half-moves

# move score
1 Ke2 win in 3 half-moves
2 Ke3 win in 3 half-moves
3 Kg3 win in 3 half-moves
4 Kg4 win in 3 half-moves
5 Kh3 win in 3 half-moves
6 Kd3 win in 5 half-moves
7 Kc2 win in 7 half-moves
8 Kc3 win in 7 half-moves
9 Kg5 win in 7 half-moves
10 Kh5 win in 7 half-moves
11 Kc1 win in 15 half-moves
12 Kd1 win in 15 half-moves
13 Ke1 win in 15 half-moves