![Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou | CNN Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou | CNN](https://media.cnn.com/api/v1/images/stellar/prod/220114144058-08-tennis-prodigy-ksenia-efremova-011422.jpg?q=h_1187,w_2110,x_0,y_0)
Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou | CNN
![Serena Williams reacts to coach Patrick Mouratoglou's Instagram post, hints at possible return to WTA tour Serena Williams reacts to coach Patrick Mouratoglou's Instagram post, hints at possible return to WTA tour](https://staticc.sportskeeda.com/editor/2022/01/028db-16411173304980-1920.jpg)
Serena Williams reacts to coach Patrick Mouratoglou's Instagram post, hints at possible return to WTA tour
![Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou - KVIA Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou - KVIA](https://kvia.b-cdn.net/2022/01/hypatia-h_ab469eb00884b4c2e8cd400d52bbd980-h_ec0ca9b3b8e272e3646ff7ef2cb7815c-300-1440x810.jpg)
Ksenia Efremova: 12-year-old Russian tennis prodigy has 'incredible potential,' says Patrick Mouratoglou - KVIA
Miko on Instagram: “A day in Mouratoglou academy with my bro @holgerrune 🎾🇫🇷💪🏼 #tennis #france #passionpassport #workhard #dedication”
Owakibrothers official account on Instagram: “chase him🎾🏃♂️ @stefanostsitsipas98 @patrickmouratoglou @mouratoglou_tennis_academy #wilson #teamwilson #wilsontennis #テニス #tennis…”
![Mouratoglou Tennis Academy on Twitter: "Jumping into the @DavisCup like... 💨 @la_pouille and @nmahut shared a practice session today on the Academy's clay courts ahead of the quarterfinal tie between the #TeamFranceTennis Mouratoglou Tennis Academy on Twitter: "Jumping into the @DavisCup like... 💨 @la_pouille and @nmahut shared a practice session today on the Academy's clay courts ahead of the quarterfinal tie between the #TeamFranceTennis](https://pbs.twimg.com/media/DZZAmcCWAAIlAgi.jpg)