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

EGTB: loss in 9 half-moves

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