Who is the only man to have won the US Open singles tennis title on three different surfaces (grass, clay, and hardcourt)?
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
2009 US Open – Men's Singles 2009 US Open – Men's Singles Roger Federer was the five-time defending champion, but was defeated by Juan Martín del Potro in the final, 3–6, 7–6, 4–6, 7–6, 6–2. This was del Potro's first and so far only major title, although he reached a second final in 2018. Federer was attempting to become the first man to win a sixth consecutive US Open title after Bill Tilden in 1925 during the Pre-Open era. He was also vying to become the first man to win Grand Slams on clay, grass and hard court in the same calendar year after he won