Two Pennsylvania judges served blows to President Trump’s re-election campaign on Friday, tossing out a combined six cases challenging absentee ballots.

Judge James Crumlish of Philadelphia County’s Court of Common Pleas ruled in five related cases that the Trump campaign can’t scrap a total of 8,329 mail-in ballots that it had alleged were improper because the outer envelopes lack names, dates or addresses, The Hill reported.

President Trump suffered multiple legal setbacks in three key swing states on Friday, choking off many of his last-ditch efforts to use the courts to delay or block President-elect Joseph R. Biden Jr.’s victory.

In quick succession, Mr. Trump was handed defeats in Pennsylvania, Arizona and Michigan, where a state judge in Detroit rejected an unusual Republican attempt to halt the certification of the vote in Wayne County pending an audit of the count.

President Trump and his allies have filed lawsuits alleging election irregularities or improper ballot-counting procedures in five states where President-elect Joe Biden leads.

Some suits seek to delay state officials from certifying final results, a rare step that judges likely would be reluctant to take without proof of irregularities significant enough to change the election outcome, according to legal analysts. Judges have rejected several Trump campaign and allied claims.