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

EGTB: draw

# move score
1 f7 draw
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw