Italian tennis star Jannik Sinner won the Vienna Open against his German opponent Alexander Zverev on October 26. During his winning speech, Sinner gave a shoutout to his team, family, friends, and his girlfriend.While the 24-year-old did not name his current romantic partner, the camera turned to Laila Hasanovic, who was seated in the audience alongside Jannik’s parents, Johann and Siglinde Sinner, according to E! Online reports. Hasanovic is a Danish model and social media influencer.Jannik Sinner’s indirect confirmation about dating Laila comes a couple of months after he was rumored to be in a love triangle with internet personality and model Brooks Nader and his fellow tennis star, Carlos Alcaraz. According to a People report, Nader made some cryptic comments about the situation during an appearance on Andy Cohen's show.All you need to know about Laila Hasanovic amid Jannik Sinner’s recent revelationLaila Hasanovic is a fashion model, social media star, influencer, and content creator from Copenhagen, Denmark. She has collaborated with luxury brands such as Prada and Armani, according to her Instagram, where she has over 396,000 followers.According to SCMP Magazine, Hasanovic was born in November 2000 and is 24 years old. She also has a YouTube channel with 49,300 subscribers, and she uploaded her first vlog in November 2024. Her content ranges from outfits of the day to lifestyle and travel tips and moments from her fashion week appearances.Italian outlet Rai News reported that Laila is of Bosnian ethnicity and competed in the Miss Universe and Miss Denmark beauty pageants. She has also attended the Gymnasium School in Copenhagen and later spent a year in Kentucky, USA, to pursue a career in journalism. Hasanovic has also been an environmental activist and an ambassador for CO2 Living.Rumors about Jannik Sinner dating Laila Hasanovic first surfaced when she was spotted in his player’s box at the Wimbledon final in July 2025, followed by the French Open.Last month, fans reportedly spotted Hasanovic’s picture as Jannik Sinner’s screensaver while he was checking his phone in the court. What further fuelled the rumor was a source telling Italian publication Corriere dello Sport that Laila and Jannik live together in the La Condamine locality of Monte Carlo. The revelation reportedly came from the owners of a gelato shop located under the couple’s building.Earlier, Laila Hasanovic was in a three-year relationship with German motorsports racing driver Mick Schumacher, the son of former F1 veteran Michael Schumacher. The pair went official in August 2023 and reportedly split in April this year. View this post on Instagram Instagram PostShe was seemingly close to the Schumacher family and was one of the few people who could visit Michael, who hadn’t been in the limelight since his 2013 skiing accident.Jannik Sinner dated Italian model Maria Braccini from 2020 to 2024. He dated Russian tennis star Anna Kalinskaya for a year, beginning in May 2024.Following his split, he was rumored to be dating Russian model Lara Leito, but he dismissed the rumors during a press conference. In September, both he and Spanish tennis champion Carlos Alcaraz were claimed to be involved with Brooks Nader during the 2025 U.S. Open season.While Alcaraz’s team refuted the rumors, Sinner maintained his silence on the matter. As for Nader, she appeared on Watch What Happens Live with Andy Cohen and stated:“I would just say, a lady never kisses and tells - especially twice, that's just not nice. Dating is such a loose term these days. It's just… I don't know. By the way, my only thing is, guys do it all the time, so why can't I do it?”Before that, she appeared at The Daily Front Row’s 12th annual Fashion Media Awards and ignored questions about her love life, adding she was “just here” for the designer Zac Posen.