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

EGTB: loss in 5 half-moves

# move score
1 Kf5 loss in 4 half-moves
2 a2 loss in 2 half-moves
3 Kd5 loss in 2 half-moves
4 Ke4 loss in 2 half-moves
5 Kf4 loss in 2 half-moves
6 Kd4 loss in 1 half-moves
7 Kd6 loss in 1 half-moves
8 Ke6 loss in 1 half-moves
9 Kf6 loss in 1 half-moves