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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kh5 win in 3 half-moves
3 Kg6 loss in 40 half-moves
4 Kg7 loss in 30 half-moves
5 Kh7 loss in 26 half-moves