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

EGTB: win in 2 half-moves

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