1970 US Open (tennis) sudden death at 4-4. A red flag would be put up by the umpire’s seat to draw fan attention to the tiebreaker in progress. Most players disapproved of the tiebreaker but the visitors loved it. Ken Rosewall def. Tony Roche, 2–6, 6–4, 7–6, 6–3 Margaret Court defeated Rosemary Casals, 6–2, 2–6, 6–1 Pierre Barthès / Nikola Pilić defeated Roy Emerson / Rod Laver, 6–3, 7–6, 4–6, 7–6 Margaret Court / Judy Tegart Dalton defeated Rosemary Casals / Virginia Wade, 6–3, 6–4 Margaret Court / Marty Riessen defeated Judy Tegart Dalton / Frew McMillan, 6–4, 6–4 1970 US Open (tennis) The
1970 Grand Prix (tennis) played in April in Rome, was part of the Grand Prix calendar but it was withdrawn during the tournament when it became known that they had paid management fees to the competing World Championship Tennis organization. The tournaments listed above were divided into three categories. Class A consisted of the Grand Slams while the other tournaments were divided into Class 1 and Class 2. Points were allocated based on these groups and the finishing position of a player in a tournament. Ties were settled by the number of tournaments played. The points allocation is listed below: The list of winners