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

EGTB: draw

# move score
1 g7 draw
2 Kc5 draw
3 Kd7 draw
4 Ke6 draw
5 Ke7 draw
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Ke5 loss in 2 half-moves