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

EGTB: loss in 5 half-moves

# move score
1 Kd7 loss in 4 half-moves
2 Ke7 loss in 4 half-moves
3 Kf5 loss in 4 half-moves
4 Kf6 loss in 4 half-moves
5 Kf7 loss in 3 half-moves
6 a3 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke5 loss in 2 half-moves