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

EGTB: win in 10 half-moves

# move score
1 Kc4 win in 9 half-moves
2 Kc5 win in 9 half-moves
3 Kc6 win in 9 half-moves
4 Kb4 win in 13 half-moves
5 Kb6 win in 13 half-moves
6 Ka4 win in 15 half-moves
7 Ka5 win in 15 half-moves
8 Ka6 win in 15 half-moves