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

EGTB: win in 8 half-moves

# move score
1 f6 win in 7 half-moves
2 Kc5 draw
3 Kd5 draw
4 Ke6 draw
5 Kc6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Kc7 loss in 1 half-moves