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
1974 German Open (tennis) 1974 German Open (tennis) The 1974 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 66th edition of the event and was part of the 1974 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 20 May through 26 May 1974. Third-seeded Eddie Dibbs won the singles title. Eddie Dibbs defeated Hans-Joachim Plötz 6–2, 6–2, 6–3 Helga Masthoff defeated Martina Navratilova 6–4, 5–7, 7–3 Jürgen Fassbender / Hans-Jürgen Pohmann defeated Brian Gottfried / Raúl Ramírez 6–3, 6–4, 6–4 Helga