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 Kg4 loss in 52 half-moves
4 Kg3 loss in 46 half-moves
5 Kh3 loss in 36 half-moves