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

EGTB: loss in 7 half-moves

# move score
1 a3 loss in 6 half-moves
2 Kf3 loss in 4 half-moves
3 Kf4 loss in 4 half-moves
4 Kf5 loss in 4 half-moves
5 Kg3 loss in 4 half-moves
6 Kg5 loss in 4 half-moves
7 Kh3 loss in 4 half-moves
8 Kh4 loss in 4 half-moves
9 Kh5 loss in 4 half-moves