Roger Federer joined two Italian schoolgirls for a game of tennis on the rooftop of an apartment building.
11-year-old Carola and 13-year-old Vittoria made the headlines this year in April when the two posted a video of them playing tennis on the rooftop while being on adjacent houses.
The girls have earned international fame with 12 million Twitter views with their lockdown match video.
The 38-year-old tennis champion took a private jet to surprise the girls at their homes in Finale Ligure, Italy.
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Both the girls are avid tennis players but they were unable to visit the courts during Italy’s tough lockdown in April.
The winner of 20 Grand Slam competitions has praised the idea of rooftop tennis and wanted to take part in the action.
Federer added: ‘The passion does not go away just because of a lockdown. I think that their video really resonated with a lot of people and with me too.’