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

EGTB: loss in 41 half-moves

# move score
1 Kg4 loss in 40 half-moves
2 Kh4 loss in 40 half-moves
3 Kg5 loss in 32 half-moves
4 Kg6 loss in 24 half-moves
5 Kh6 loss in 24 half-moves