The Russian was crowned champion at Flushing Meadows last night.
Daniil Medvedev is the new US Open tennis champion - after he prevented Novak Djokovic from becoming the most successful male tennis player in history.
The Russian beat the world number one in straight sets in the final at Flushing Meadows to win his first Grand Slam title.
Djokovic was aiming for his 21st - more than any other.