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

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Ke2 win in 1 half-moves
3 Ke3 win in 1 half-moves
4 Ke4 win in 1 half-moves
5 Kg2 loss in 6 half-moves
6 Kg3 loss in 4 half-moves
7 Kg4 loss in 4 half-moves
8 Kf2 loss in 2 half-moves
9 Kf4 loss in 2 half-moves