![Roger Federer Mouratoglou Tennis Academy ? on Instagram: “The best #10YearChallenge of them all — courtesy of @stefanostsitsipas98 ?” – InternetTop40.com Roger Federer Mouratoglou Tennis Academy ? on Instagram: “The best #10YearChallenge of them all — courtesy of @stefanostsitsipas98 ?” – InternetTop40.com](https://img.youtube.com/vi/vID8gqKRkJY/hqdefault.jpg)
Roger Federer Mouratoglou Tennis Academy ? on Instagram: “The best #10YearChallenge of them all — courtesy of @stefanostsitsipas98 ?” – InternetTop40.com
On the Court: Stefanos Tsitsipas, Julia Apostoli-Salnikova, mother and Apostolos Tsitsipas, father and Kevin Anderson.
![Tsitsipas's mother Julia Salnikova: "Stefanos has been working on his tennis style for a long time" - UBITENNIS Tsitsipas's mother Julia Salnikova: "Stefanos has been working on his tennis style for a long time" - UBITENNIS](https://www.ubitennis.net/wp-content/uploads/2018/11/stefanos-tsitsipas-milan-first-match.jpg)
Tsitsipas's mother Julia Salnikova: "Stefanos has been working on his tennis style for a long time" - UBITENNIS
![Miguel Seabra on Twitter: "Parental power: @StefTsitsipas and parent Julia & Apostolos at the #Millennium @EstorilOpen Launch Party yesterday night. Julia Salnikova was once ranked world junior nº1 (representing then the USSR). # Miguel Seabra on Twitter: "Parental power: @StefTsitsipas and parent Julia & Apostolos at the #Millennium @EstorilOpen Launch Party yesterday night. Julia Salnikova was once ranked world junior nº1 (representing then the USSR). #](https://pbs.twimg.com/media/D5Q3oi3XkAA8Tkl.jpg)