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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kh4 win in 3 half-moves
3 Kd2 win in 7 half-moves
4 Ke3 win in 7 half-moves
5 Kf4 win in 7 half-moves
6 Kg2 win in 7 half-moves
7 Kgf2 win in 7 half-moves
8 Kgf3 win in 7 half-moves
9 Kd3 win in 9 half-moves
10 Kef2 win in 9 half-moves
11 Kef3 win in 9 half-moves
12 Kh3 win in 9 half-moves
13 Kf1 win in 11 half-moves
14 Kd1 win in 13 half-moves
15 Ke1 win in 15 half-moves
16 Kh2 win in 17 half-moves