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

EGTB: win in 3 half-moves

# move score
1 f7 win in 2 half-moves
2 Kf7 win in 3 half-moves
3 Kf8 draw
4 Kg7 draw
5 Kh7 draw
6 Kh8 draw