Five grapes at 100yds
Five limes at 200yds
Five lemons at 300yds
Five oranges at 400yds
Five grapefruit at 500yds
Five cantalope at 600yds

Just like egg shoots max 10 shoots each range, fewest shots wins, in case of ties back fruit up 100yds at a time for shoot off.
Less messy than eggs good misting effects and critters clean up mess for you.