Jannik Sinner's family and coaches are often seen in the players' box supporting the 23-year-old. His partner is also present by his side and has a shared passion for tennis.
During this year's French Open, the Italian confirmed his relationship with Russian Anna Kalinskaya, a professional tennis player, and was supporting her from courtside.
Sinner said in May 2024:
"Yes, I'm with Anna, but we keep everything confidential. I won't say more."
In another interview later this year, Sinner said:
"I think it's a beautiful thing when you find the right love. Like for everyone. And then, if you think about it, the best tennis players in the world all have wives and children."
Kalinskaya reached the third round of the US Open in her singles campaign and the second round in the doubles. She turned pro in 2016 and was most recently seen in the stands at Sinner's semifinal encounter against Jack Draper following the end of her US Open campaign.
Sinner recently claimed the World No.1 spot in the ATP rankings and defeated Britain's Jack Draper in the semifinals at the Arthur Ashe Stadium in straight sets 7-5, 7-6, 6-2. He is set to face American favorite Taylor Fritz in the finals at Flushing Meadows, who defeated his compatriot Frances Tiafoe in a thrilling five-set encounter 4-6, 7-5, 4-6, 6-4, 6-1.
The US Open final will be Fritz's best Grand Slam appearance, and the 26-year-old has dropped just four sets en route to Sunday's showdown. Meanwhile, Sinner has underlined his status as the World No.1, losing just one set in the tournament.
Who is Jannik Sinner's girlfriend?
Anna Kalinskaya was born on December 2, 1998 in Moscow, Russia to Nikolay and Elena Kalinskaya, both of whom were professional badminton players. Her brother Nikolay Kalinsky is a professional footballer who plays for FC Pari Nizhny Novgorod.
Kalinskaya moved to the USA at age 14 to pursue tennis and turned pro four years later. She currently has a career-high WTA ranking of 15. She has won three doubles titles on the WTA Tour and one singles WTA Challenger Tour title. Meanwhile, she has won nine doubles and seven singles titles on the ITF Circuit.
Her best Grand Slam performance was reaching the quarterfinals at this year's Australian Open. She previously won the 2016 girls' doubles title in Melbourne when she was 17, alongside Tereza Mihalíkova. She turned pro the same year. Kalinskaya finished runner-up at the 2024 Dubai Open, losing to Jasmine Paolini.
Kalinskaya briefly dated professional Australian tennis player Nick Kyrgios in 2020 and is currently involved with World No.1 Jannik Sinner, who is challenging for his second Grand Slam title, having reached the US Open final. Kalinskaya has been present at Sinner's important matches and is expected to be in support in the final against home favorite Taylor Fritz.