Tennis Videos Important to do prior homework - Djokovic Speaking after victory Matteo Berrettini in the ATP finals opener, Novak Djokovic said one of the keys to success is the preparation before the tourney. Team Sportstar 11 November, 2019 15:33 IST Team Sportstar 11 November, 2019 15:33 IST From the Royal Family to tennis legends, the world reacts to Emma Raducanu's US Open triumph Daniil Medvedev wins US Open 2021, denies Djokovic calendar slam: The tennis world reacts Emma Raducanu's former tennis club in London celebrates US Open success Emma Raducanu: History beckons Briton teen at US Open Read more stories on Tennis Videos. More Videos Leylah Fernandez - the giant slayer making heads turn at the US Open this year Forbes' list of top-earning tennis players: Roger Federer richest tennis player; Osaka, Serena, Barty in top 10 Naomi Osaka mulls break from tennis after shock US Open exit Roger Federer's third knee surgery casts shadow over future The Naomi Osaka-Simone Biles effect - Tokyo psychologist on duo's mental health impact Osaka withdraws from French Open citing ‘bouts of depression’ Watch: Nadal's statue unveiled at Roland Garros - A flashy tribute to a simple champion Barty Breezes Past Doi On Clay Return