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 Kb7 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Kd7 loss in 4 half-moves
5 Kd8 loss in 4 half-moves
6 Kc7 loss in 2 half-moves