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

EGTB: win in 8 half-moves

# move score
1 Kd6 win in 7 half-moves
2 Ke6 win in 7 half-moves
3 Kf6 win in 7 half-moves
4 Kd7 win in 11 half-moves
5 Kf7 win in 11 half-moves
6 Kf8 win in 11 half-moves
7 Kd8 loss in 22 half-moves
8 Ke8 loss in 6 half-moves