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 Kd7 win in 3 half-moves
3 Kd8 win in 5 half-moves
4 Kc7 loss in 12 half-moves
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves