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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 g5 draw
3 Kc7 draw
4 Kd5 draw
5 Kb5 loss in 6 half-moves
6 Kb6 loss in 6 half-moves
7 Kb7 loss in 4 half-moves
8 Kc5 loss in 4 half-moves
9 Kd6 loss in 4 half-moves