THE RUNDOWNJannik Sinner confirmed his relationship with Laila Hasanovic after winning the 2025 Vienna Open.Since then, she has supported him at tournaments around the world.Hasanovic is also a Danish model and the founder of beauty brand NRD55.Jannik Sinner confirmed his relationship with model Laila Hasanovic in a fitting place: on the tennis court.After winning the Vienna Open in October 2025, the Italian tennis star thanked his girlfriend during his victory speech, with Hasanovic watching from the stands. Since then, Hasanovic has supported Sinner at several tournaments while continuing to build a career of her own in fashion and beauty.Most recently, Hasanovic returned to the runway during Copenhagen Fashion Week in August 2026, walking in OpéraSport’s spring/summer 2027 show. She has also worked with major beauty brands, built a sizable social media following, and launched her own tanning brand, NRD55.Here’s everything to know about Hasanovic and her relationship with Sinner.Jump to:They went public with their relationship at the 2025 Vienna Open.She’s a Danish model and influencer.She walked at Copenhagen Fashion Week in August 2026.She founded her own beauty brand.She’s supported Sinner at several tournaments.They’ve traveled together outside of tennis.Sinner made a rare reference to his relationship in April 2026.They went public with their relationship at the 2025 Vienna Open.Although it’s unclear exactly when Sinner and Hasanovic began dating, he publicly acknowledged having a girlfriend after winning the Vienna Open on Oct. 26, 2025.Hasanovic watched the final from Sinner’s player box, where she sat with his parents, Johann and Siglinde. During his victory speech, Sinner thanked the people closest to him for supporting him throughout the tournament.“Thank you so much for the support,” he said. “The work you put in, the effort. Also, to understand me at times, it is not easy, but thank you for putting in the effort. Everyone here, with family, my girlfriend, friends. To my whole team and also those watching at home. Thank you so much for the support.”The moment came several months after Sinner said during a May 2025 Italian Open press conference that he was not in a relationship.She’s a Danish model and influencer.Hasanovic was born in Denmark.Her modeling career began years before her relationship with Sinner. In 2019, she was a finalist in Miss Universe Denmark, and she has since worked across fashion and beauty.Hasanovic has modeled for Danish labels including The Garment and OpéraSport and appeared in campaigns for Armani Beauty and Prada Beauty. She has also built a following of more than half a million users on Instagram and shares fashion, beauty, and travel content across her social platforms.She walked at Copenhagen Fashion Week in August 2026.In summer 2026, Hasanovic’s modeling job brought her back to her hometown.On August 3, she walked in OpéraSport’s spring/summer 2027 show, which opened the official Copenhagen Fashion Week schedule, in Carl Jacobsen’s gardens.Hasanovic appeared in the show wearing a black one-piece swimsuit under a sheer blue printed cape, paired with embellished sandals.Hasanovic has worked with the Danish brand for several seasons.She founded her own beauty brand.Beyond modeling for beauty companies, Hasanovic has launched one of her own.She founded NRD55, a tanning brand focused on creating a natural-looking glow. The company’s website says Hasanovic developed the concept after more than a decade working in fashion and beauty.“Founder Laila Hasanovic grew up surrounded by the quiet aesthetics of the North, where beauty is often defined by simplicity, soft tones, and a natural sense of balance,” the brand’s website reads.It adds, “NRD55 was born from that idea. A brand created to enhance what is already there—using thoughtfully formulated products designed to care for the skin while awakening its natural radiance.”She’s supported Sinner at several tournaments.Hasanovic has appeared in Sinner’s player box multiple times since the pair was first romantically linked.In May 2025, she attended the French Open, where she was photographed watching from Sinner’s box. She was also seen at the US Open that September and sat with his family when he won the Vienna Open the following month.In November 2025, Hasanovic joined Sinner on the court after he defeated Carlos Alcaraz to win the Nitto ATP Finals in Italy.Tullio Puglia//Getty ImagesHasanovic wasn’t able to attend the French Open in May 2026, explaining on Instagram Stories that work had kept her away. She also liked the Instagram post Sinner shared after his second-round loss.They’ve traveled together outside of tennis.Their public appearances haven’t been limited to Sinner’s matches.In late 2025, the pair attended the Abu Dhabi Grand Prix in the United Arab Emirates.NurPhoto//Getty ImagesThey were also seen out in Dubai that December and later skiing in Bolzano, Italy.Despite those appearances, neither has made their relationship a major focus of their social media accounts.Sinner has previously spoken about wanting to keep his relationships separate from the attention surrounding his career. In a February 2024 interview with Vanity Fair Italia, before he began dating Hasanovic, he discussed the challenge of balancing a relationship with professional tennis.“Of course it’s not easy, I travel a lot and during tournaments I’m very focused,” he said. “But I think it’s a wonderful thing when you find the right love. If you think about it, the best tennis players in the world all have wives and children.”He also told the magazine, “I like talking about tennis, and sports in general. But if you’re referring to my private life, it’s true, I want to keep it that way. I want to protect the people closest to me, keeping them out of all this.”Sinner made a rare reference to his relationship in April 2026.Sinner’s relationship status unexpectedly became part of a post-match interview at the Madrid Open in April.After beating Elmer Møller, Sinner was asked about learning Spanish and mentioned using the language-learning apps Duolingo and Babbel. The interviewer initially thought Sinner had said Bumble and pointed out that it was a dating app.After the misunderstanding was cleared up, Sinner quickly added, “But anyways, it’s not a dating app. I don’t need a dating app,” before covering his face with his hands.View full post on InstagramHasanovic later liked the Tennis Channel’s Instagram post about the exchange.