US Open (tennis) US$25,000 each. Beginning in 1975, the tournament was played on clay courts instead of grass, and floodlights allowed matches to be played at night. In 1978, the tournament moved from the West Side Tennis Club to the larger and newly constructed USTA National Tennis Center in Flushing Meadows, Queens, three miles to the north. The tournament's court surface also switched from clay to hard. Jimmy Connors is the only individual to have won US Open singles titles on three surfaces (grass, clay, and hard), while Chris Evert is the only woman to win US Open singles titles on two surfaces
2018 US Open (tennis) year. Novak Djokovic won the men's singles title, defeating del Potro in the final, 6–3, 7–6, 6–3. It was his third US Open title and 14th Grand Slam, tieing Pete Sampras' record to become equal third among all-time Grand Slam champions. In women's singles, Naomi Osaka defeated Serena Williams in the final, 6–2, 6–4, becoming Japan's first ever able-bodied Grand Slam singles champion. The 2018 US Open was the 138th edition of the tournament and took place at the USTA Billie Jean King National Tennis Center in Flushing Meadows–Corona Park of Queens in New York City, New York, United States.