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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kg5 win in 3 half-moves
3 Kg6 win in 3 half-moves
4 Kh4 loss in 32 half-moves
5 Kh6 loss in 12 half-moves