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 a3 loss in 2 half-moves
3 Ke4 loss in 2 half-moves
4 Ke5 loss in 2 half-moves
5 Kf3 loss in 2 half-moves
6 Kg3 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Ke3 loss in 1 half-moves