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

EGTB: win in 2 half-moves

# move score
1 g5 win in 1 half-moves
2 Kf6 win in 1 half-moves
3 Kg6 win in 1 half-moves
4 Kg7 win in 1 half-moves
5 Ke8 loss in 4 half-moves
6 Ke6 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Kg8 loss in 2 half-moves