New Hampshire Gov. Chris Sununu is convinced that former President Donald Trump’s style might be costing the GOP a victory that should be within reach.

During an appearance on CNN’s “State of the Union,” he made it clear that almost any other Republican would have an immensely easier time spanking Joe Biden in the upcoming presidential race — by a margin as large as 10 points.

The key to winning, Sununu said, is not personal attacks or getting caught in some of the side issues; it is to stay focused on the central issues that concern voters.

“It really should the delta that you’re seeing right now is Trump does better with males by about ten points. But where this giant shifted August has come is with the female voters, Frank Luntz pointed this out in his polling. He’s down 10 to 12 points, at least with females. They’re going to come out in much bigger numbers than they previously would have if Biden were the candidate,” Sununu added.

The governor’s remarks were in response to host Jake Tapper’s request for him to weigh in on whether Trump’s method is the best or its flawed like former South Carolina Gov. and former Republican presidential nominee hopeful Nikki Haley pointed out during a conversation on Fox News on Aug. 13.

“One thing Republicans have to stop, quit whining about her. We knew it was going to be her. She’s not going to give an interview. They’re going to hold out as long as they can. That’s their right,” Haley had said.

“That doesn’t mean we can’t talk about what she believes in. And we should be getting out there and doing that. The campaign is not going to win talking about crowd sizes, it’s not going to win talking about what race Kamala Harris is, it’s not going to win talking about whether she’s dumb. You can’t win on those things. The American people are smart — treat them like they’re smart,” she added.

Trump is, however, holding on to his approach, as he defended his methods at a campaign rally.

“I think I’m entitled to personal attacks. I don’t have a lot of respect for her. I don’t have a lot of respect for her intelligence, and I think she’ll be a terrible president,” he said.