Sure they can.ROFLMAO. First of all they can't decertify the election.
No court has jurisdiction.Any attempt to do so would lose in court so fast,
No court has jurisdiction.their heads would spin right off. Any voter would have standing to sue them and demand they present their evidence to an actual court.
Then we would see how fast the lawyers run away so they don't get disbarred.
Since voting registrations are public, feel free to point out where those 10,000 voter registrations are that are all at the same address.
RQAA.