The tennis star, who will play in the Wimbledon quarter-finals on Wednesday, is accused of grabbing his former partner Chiara Passari.
Nick Kyrgios was accused of assaulting his ex-girlfriend.
The 27-year-old will face trial in Canberra next month.
The maximum penalty for ordinary assault is two years in prison.
The tennis star, who will play in the Wimbledon quarter-finals on Wednesday night, is accused of grabbing his former partner Chiara Passari.
“ACT Police can confirm that Watson, 27, is due to appear in ACT Magistrates Court on August 2 on one charge of conventional assault following an incident in December 2021,” police said Tuesday.
Barrister Jason Moffet told the Canberra Times that Kyrgios was aware of the allegations.
“It’s in the context of domestic relationships,” Moffett said.
“The nature of the accusation is serious and Mr Kyrgios takes this allegation very seriously.
“Given that the case is in court … at this stage he has no comment, but we will issue a press release at the right time.”
Kyrgios was reportedly silent when reporters approached him after training at Wimbledon on Tuesday.
However, he posted a photo on Instagram of himself chatting with a young girl at Wimbledon.
“That’s why I play. To all my children, believe in yourself,” he captioned the image along with a heart emoji.
Passari and the tennis star began dating in mid-2020, just three months after Kyrgios split from Russian tennis player Anna Kalinskaya.
They dated off and on for about 18 months before Kyrgios confirmed he was in a new relationship with Kostin Hatzi last December.
Kyrgios will face Chile’s Christian Garin for a place in the semi-finals of Wimbledon Wednesday Night (AEST) after ignoring a shoulder injury to beat Brandon Nakashima in five sets early Tuesday morning.
The Aussie changed just two days after a roaring third-round victory over fourth-seeded Greek Stefanos Tsitsipas.
Kyrgios appeared to be in trouble when Nakashima made a 4-3 break in the fourth and took the set thanks to Kyrgios’s lazy serve.
But he rallied in the decider, breaking the 100-ace mark for the tournament and breaking twice to secure the win.
Kyrgios, who needed regular physical therapy, scored 79 winners, including 35 aces.
The last time the 40th player reached the last eight in a major was at the Australian Open in 2015, a year after he reached the same stage on his All England debut.
But he is seen as a major threat to Nadal, whom he beat en route to the quarter-finals in 2014.
Kyrgios said he tried to stay “in the moment”.
“I don’t think about lifting a trophy, reaching the semi-finals or reaching the final,” he said.
“I just think about my habits every day, just try to put on a good game on the court, then have a good practice, try to stay positive, try to really separate.
“You know, once I’m off the court, spend time with your team, my girlfriend, and just enjoy it, and then get into game mode.”
The 27-year-old advanced to the quarter-finals by playing two five-set matches, thrilling and embarrassing the audience, earning a $14,000 fine.
“I’m sitting here again in the Wimbledon quarter-finals and I just know that so many people are so upset,” Kyrgios said after his latest win.
His only Grand Slam win came in the men’s doubles at this year’s Australian Open alongside Australian Thanasi Kokkinakis.
Kyrgios was born and raised in Canberra.
Originally published as Nick Kyrgios accused of assaulting ex-girlfriend Chiara Passari