Getty Jannik Sinner reveals he's a man in love. Four-time Grand Slam winner and ATP world No. 1 Jannik Sinner is a man in love. After being spotted with 31-year-old Russian model Lara Lieto earlier this year, Sinner then caught the attention of fans when Danish model Laila Hasanovic was in his player box at Wimbledon. Ahead of his first-round match against Vit Kopriva at the US Open, Sinner spoke with Italian outlet Corriere Della Sera to discuss a wide range of topics. At one point during the