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

EGTB: win in 8 half-moves

# move score
1 Kc5 win in 7 half-moves
2 Kb5 win in 11 half-moves
3 Kb7 win in 11 half-moves
4 Kc7 win in 11 half-moves
5 Kc6 win in 13 half-moves
6 Ka5 win in 15 half-moves
7 Ka6 win in 15 half-moves
8 Ka7 win in 15 half-moves