World No. 2 Daniil Medvedev admitted the US Open final against Novak Djokovic was the most important match of his career. Medvedev, 25, saw off Djokovic 6-4 6-4 6-4 in the US Open final to lift his maiden Grand Slam title and prevent the Serb from winning a record 21st Grand Slam and from becoming the first player since 1969 to win all four Majors in the same year. Medvedev lost to Djokovic in this year’s Australian Open final and he was determined to perform much better in the US Open final. “There is no doubt that the final against Djokovic this year was the most important of my career.It has been a memorable year for me, although there were also some hard times,” Medvedev told Sport-express. Medvedev was ‘super happy’ after winning the US Open “Everything that happ …