The ATP Masters 1000 Miami Open is nearing its end, with the title match featuring second seed Jannik Sinner and 21st seed Jiří Lehečka. Apart from their on-court actions, the elite stars have been steadily growing in their relationships, with the Italian dating Danish model Laila Hasanovic and Lehečka dating Czech athlete and influencer Lucie Neumannová.
Inside the Personal Lives of Jiří Lehečka and Jannik Sinner Ahead of Their Miami Open Final Clash
After winning the Indian Wells Open title by defeating Daniil Medvedev, the Italian star entered Hard Rock Stadium in Miami Gardens, Florida. He once again showed his dominance as the world No. 2 and defeated Damir Džumhur, Corentin Moutet, Alex Michelsen, and Frances Tiafoe to reach the semifinal.
In the semifinal round, he defeated Alexander Zverev, who was the third seed in the tournament. Apart from his on-court feats, Sinner is also growing in his relationship with model and influencer Hasanovic since the summer of 2025. He confirmed his relationship with her in October 2025 after securing the Vienna Open.
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Hasanovic, who recently celebrated the launch of her makeup brand, NRD55, also lit up the 2025 WTA Finals with her presence and has become a familiar face cheering him on at other matches. The Italian won the season-ending championship after defeating world No. 1 Carlos Alcaraz, and the couple also posed lovingly with their dog, Snoopy.
She also recently shared stunning glimpses of her day, including shots of rings, pink heels, and more, in an Instagram post. Through her story, the model revealed a glimpse, wearing a black top and a light-colored skirt. She completed the look with heels, minimal jewelry, and a handbag.

Since 2024, Lehečka has been in a relationship with Neumannová, a track and field star who shares his passion for sports. She is the daughter of Olympic cross-country skiing champion Kateřina Neumannová and specializes in middle-distance running, specifically the 800 meters and the 4×400-meter relay.
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She has been providing steady support for Lehečka and has attended several of his matches, including his Miami Open semifinal, and was visibly emotional after the Czech star secured the win, successfully booking his spot in the final.

Apart from pursuing her career in track and field, Neumannová regularly shares moments from her everyday life. The influencer boasts 160,000 followers on Instagram and a strong presence on TikTok.
She also recently posted glimpses of her Miami Open action, featuring Lehečka, her exercise routine, and her getting ready for the ATP star’s semifinal match, among others. In his Miami Open run, Lehečka surpassed Moise Kouame, Ethan Quinn, Taylor Fritz, Martin Landaluce, and Arthur Fils to reach the final.
