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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kh6 win in 3 half-moves
3 Kg7 loss in 14 half-moves
4 Kg8 loss in 14 half-moves
5 Kh8 loss in 8 half-moves