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

EGTB: win in 2 half-moves

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