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

EGTB: loss in 5 half-moves

# move score
1 Kg8 loss in 4 half-moves
2 Kh7 loss in 4 half-moves
3 Kh8 loss in 4 half-moves
4 a3 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kf6 loss in 1 half-moves