Nick Kyrgios' girlfriend Costeen Hatzi supported him at the ATP Stuttgart Open this week, where he fell to Yibing Wu in the first round amid his lingering knee injury.
Nick Kyrgios and Costeen Hatzi look stressed at Sydney Airport check-in dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
Nick Kyrgios' Gushes Over Partner Costeen Hatzi On Her 23rd Birthday greekcitytimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from greekcitytimes.com Daily Mail and Mail on Sunday newspapers.