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

EGTB: win in 12 half-moves

# move score
1 Kb6 win in 11 half-moves
2 Kc6 win in 13 half-moves
3 Kc7 win in 13 half-moves
4 Ka6 win in 15 half-moves
5 Ka7 win in 15 half-moves
6 Kb8 win in 17 half-moves
7 Kc8 win in 17 half-moves
8 Ka8 win in 19 half-moves