Tennis star Nick Kyrgios found it 'hard' to focus on match amid assault allegations (9)

By Ben Church, CNN (CNN) Tennis star Nick Kyrgios says ongoing allegations of assault made it "hard" to focus on his quarterfinal match at Wimbledon on Wednesday. The Australian, who beat Chile's Cristian Garцґn in straight sets to reach the semifinals, has been summoned to court next month in Canberra after allegedly assaulting his former girlfriend late last year, according to Australian news reports.