Each new poll is placing John Liu’s mayoral chances in deeper jeopardy. On Monday, the city comptroller’s campaign was delivered a devastating blow when the campaign finance board denied him more than $3.5 million in public matching funds.

Ever since campaign donor Xing Wu “Oliver” Pan and Liu’s campaign Treasurer Jia “Jenny” Hou were found guilty of a creating a dummy donor scheme to finance Liu’s bid for office, it was widely presumed that he would not be getting the funds.

According to the board, there was evidence of much wrongdoing in Liu’s campaign, and the vote to deny him funds was unanimous.

“The evidence suggests that the potential violations are serious and pervasive across the campaign’s fundraising,” said Father Joseph Parkes, the board’s chair. He stressed the prevalence of “solicitation, receipt and reporting of ‘straw donations,’” which concealed who the actual donors were in order to get more money from the board. “The candidate is ultimately responsible for the campaign’s compliance with the law.”

In front of a throng of supporters, Liu maintained his usual composure but said he was “deeply saddened by the turn of events today. I continue to believe that Jenny’s a good person, and we will continue to ask voters of this city for their support in my campaign.”

Liu then quickly slid back into campaign gear, insisting that he had “put forward a vision for New York City that I believe will take us well into the next decade. And I will continue to talk about these issues that are important to New Yorkers, whether it be education … economic development and creation of jobs, to building affordable housing.”

And he repeated what he has said on a number of occasions about the investigation that has been relentless to impugn his character and undermine his confidence: “They are wasting their time.

“The investigation is now approaching four years,” he told reporters. “They can look at anything and everything they want. I’ve nothing to hide … and we are going to present a very strong case directly to the voters of New York City.”

Attorney Martin Connor, Liu’s election lawyer, charged the board with excessive punishment. “It’s no secret that there were problems in the Liu campaign in 2011,” he said. “Sometimes where there’s smoke, there’s smoke and no fire. What the staff is proposing is the death penalty for a minor transgression.”

Meanwhile, the board gave City Council Speaker Christine Quinn $3.3 million, the largest amount allotted to any candidate; $2.1 million to Public Advocate Bill de Blasio; and $1.4 million to both Anthony Weiner and Bill Thompson.