New York: Teen star Coco Gough has won the U.S. Reached the quarter-finals of the Open Tennis Grand Slam. Koko’s progress was achieved by defeating Sang Shui of China. Score: 7-5, 7-5. For the first time in his career, Koko US. Playing in the open quarter. Fans in the US see hard-hitter Koko as the successor to the retired Serena Williams. The fight between 18-year-old Koko and 33-year-old Sang was also interesting. Tsang was the first to take the lead in the first and second sets. But Coco dominated the invitation. U.S. Coco Gough is the youngest player to play in the open quarter. In 2009, Coco beat Melanie Oud, who played the quarter. Daniela Collins of the US reached the pre-quarters for the first time in her career. Collins’ progress was achieved by defeating France’s veteran player Alyssa Cornet. Russia’s Daniil Medvedev, the world number one and defending champion in men’s singles, lost. Australia’s Nick Kyrgios upset Medvedev in the pre-quarters. Score: 7-6 (11), 3-6, 6-3, 6-2. With the return of Medvedev without seeing the quarter, it is certain that the new number one player will reach the world ranking. 12th seed Pablo Carreno defeated Busta in five sets to earn the first US title of his career. Nick’s opponent is Khachanov who reached the open quarter. After losing the first set 6-4 in the match, the Russian fought back by winning the second and third sets 6-3 and 6-1. Busta won the fourth set 6-4 and extended the match to the fifth set. The Russian won the fifth set 6-3 and secured his place in the last eight. The women’s player, Ons Jabour of Tunisia, also made her first career U.S. title. Open quarter will be played. The fifth-seeded Ons defeated Veronika Kudarmetova in straight sets in the fourth round. Unseeded Australian Ajla Tomljanovic, who knocked out Serena Williams, will be her opponent in the quarters.