Donald Trump and Kamala Harris are set to debate on ABC on September 10 after the former president said Thursday he had agreed to the faceoff, along with two others next month.

“ABC News will host qualifying presidential candidates to debate on September 10 on ABC. Vice President Harris and former President Trump have both confirmed they will attend the ABC debate,” the network said in a statement.

Speaking at a news conference at his Mar-a-Lago resort in Florida, Trump said that he was “looking forward” to debating the vice president and that he had agreed to upcoming dates with Fox News, ABC and NBC.

“I think it’s very important to have debates, and we’ve agreed with Fox on a date of September 4. We’ve agreed with NBC. Fairly full agreement subject to them on September 10. And we’ve agreed with ABC on September 25,” the former president said.

A senior Trump adviser and an ABC source familiar with the matter both said that the correct dates Trump has agreed to with networks are: September 4 with Fox News, September 10 with ABC and September 25 with NBC.

Trump said “minor details” were still being worked out, including audience and locations.

“The other side has to agree to the terms. They may or may not agree. I don’t know if they’re going to agree. (Harris) hasn’t done an interview. She can’t do an interview. She’s barely competent, and she can’t do an interview, I look forward to the debates because I think we have to set the record straight,” he said.

Harris, who had previously agreed to the ABC debate, confirmed her participation later Thursday and said she would be “happy” to discuss a further debate.

“I’m glad that he’s finally agreed to a debate on September 10th. I’m looking forward to it, and I hope he shows up,” Harris told reporters before boarding Air Force Two in Detroit after an event with the United Auto Workers.

Asked if she would be open to the other debates mentioned by Trump, Harris said: “I’m happy to have that conversation about an additional debate for after September 10th.”

The ABC debate was originally accepted by Trump and former President Joe Biden before the latter dropped out of the race. Earlier this week, Trump had said that he would not debate Harris if she did not agree to attend the proposed Fox News debate on September 4.

An ABC source had earlier expressed confidence that the network’s debate would be the first one between Trump and the vice president, as the Harris campaign has indicated she will not agree to the Fox News debate.

A source familiar with the NBC negotiations said September 25 was “one of the dates” given to the campaigns. While the network has been in discussions with both camps, the Harris campaign has not formally accepted.

Details on location, rules and moderators will be determined closer to the debate date.

This story has been updated with additional information.

CNN’s Sam Fossum, Arlette Saenz and Alison Main contributed to this report.