Top seed Novak Djokovic won in straight sets, while in the women's section, Naomi Osaka overcame the young player's challenge to enter the fourth round of the US Open Tennis Grand Slam. Djokovic defeated Germany's 28th seed Jan-Lenard Struff by six-three, six-three, six-one in a match lasting 1 hour 43 minutes. Struff only managed 4 break points and could not convert them into points. Djokovic has won his last 29 matches and his score is 26–0 this season. On Sunday, he is now up against 20th seed Pablo Carreno Busta. Djokovic is trying to get 4 more New York Grand Slam titles in New York. Only Roger Federer (20) and Rafael Nadal (19) have won the Grand Slam trophies more than them. Two-time Grand Slam winner Osaka was challenged in the third round by eighteen-year-old Marta Kostyuk, who is playing her second major tournament. Osaka defeated Kostyuk by six-three, six-seven, six-two, while claiming his last 5 matches in the Flushing Mids. After losing the second set, Osaka appeared to be angry with himself and his anger was also seen on the racket. Osaka said after the match on the court, 'When I was playing, I was cursing myself. You would not like to know what I was saying. In a changeover after showing anger at the racket, she was bathed with a white towel on her head. He further said, 'When I am very angry and desperate, I do the same.' Also Read: Wrestler Ravi Dahiya pulls out of national camp due to exams Shooter Saurabh Chaudhary want to give this important thing in Dakshna to his mentor Rohan Bopanna-Shapovalov pair reached second round of US Open Toyam Industries Limited now launches ‘Scores11’ a fantasy sports app