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

EGTB: loss in 5 half-moves

# move score
1 Ke4 loss in 4 half-moves
2 a3 loss in 3 half-moves
3 Kf6 loss in 3 half-moves
4 Kg6 loss in 3 half-moves
5 Ke5 loss in 2 half-moves
6 Ke6 loss in 2 half-moves
7 Kf4 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg5 loss in 2 half-moves