Russia's second-ranked Medvedev dominated Djokovic 6-4, 6-4, 6-4 to prevent the first calendar-year Grand Slam since 1969 and keep Djokovic level with Roger Federer and Rafael Nadal atop the career Slam title list Daniil Medvedev shattered Novak Djokovic's Grand Slam dream with a straight sets victory in the US Open final here Sunday, denying the world number one a record-breaking 21st major men's singles title.Russia's second-ranked Medvedev dominated Djokovic 6-4, 6-4, 6-4 to prevent the first calendar-year Grand Slam since 1969 and keep Djokovic level with Roger Federer and Rafael Nadal atop the career Slam title list.