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

EGTB: win in 6 half-moves

# move score
1 Kb4 win in 5 half-moves
2 Kc4 win in 5 half-moves
3 Kf3 win in 5 half-moves
4 Kb3 win in 7 half-moves
5 Kc1 win in 7 half-moves
6 Kcd3 win in 7 half-moves
7 Kd4 win in 7 half-moves
8 Kdc2 win in 7 half-moves
9 Kdd2 win in 7 half-moves
10 Kde1 win in 7 half-moves
11 Kf2 win in 7 half-moves
12 Kb2 win in 9 half-moves
13 Kcc2 win in 9 half-moves
14 Kcd2 win in 9 half-moves
15 Ke3 win in 9 half-moves
16 Ked2 win in 9 half-moves
17 Ked3 win in 9 half-moves
18 Kee1 win in 9 half-moves
19 Kf1 win in 9 half-moves