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

EGTB: win in 10 half-moves

# move score
1 Kg4 win in 9 half-moves
2 Kg5 loss in 30 half-moves
3 Kg6 loss in 16 half-moves
4 Kh6 loss in 16 half-moves
5 Kh4 loss in 4 half-moves