July 27-Aug. 1 USLTA Girls' 15, Chicago.
July 27-Aug. 1 Open Lawn Tennis Tournament, Tunbridge Wells, England.
July 27-Aug. 1 Eastern Grass Court (girls), Staten Island, N.Y.
July 27-Aug. 2 USLTA Junior & Boys', Kalamazoo, Mich.
July 27-Aug. 2 Southampton Invitational Tournament (men), Southampton, N.Y.
July 27-Aug. 2 USLTA Hard Court Championships, Denver.
Aug. 2-9 National Championships (hard court), Copenhagen, Denmark.
Aug. 2-11 International Tennis Tournament, Hamburg, Germany.
Aug. 3-8 Western Canada Championships, Vancouver, B.C.
Aug. 3-8 Open Lawn Tennis Tournament and Hampshire Championships, Bournemouth, England.
Aug. 3-9 Eastern Grass Court, South Orange, N.J.
Aug. 4-8 National Jaycees, Phoenix, Ariz.
Aug. 10-16 Newport Invitational Tournament (men), Newport, R.I.
Aug. 11-16 Delaware Grass Court (girls), Wilmington, Del.
Aug. 12-15 Pacific Northwest Senior Sectional Championships (closed to members of PNW clubs), Cowichan Station, B.C.
Aug. 16-23 USLTA Doubles, Chestnut Hill, Mass.
Aug. 16-23 Intermountain Sectional; Colorado Springs.
Aug. 17-23 Gulf States Championships, Baton Rouge.
Aug. 18-21 USLTA Girls' Intersectional Team Matches, Germantown, Pa.
Aug. 24-29 USLTA Girls', Philadelphia.
Aug. 24-30 Manchester Invitational Tournament (women), Manchester, Mass.
Aug. 27-Sept. 7 Pan American Games, Chicago.
Aug. 28-30 Rocky Mountain Tennis Championships, Cheyenne, Wyo.
Aug. 28-30 Davis Cup Challenge Round, Forest Hills, N.Y.
Aug. 29-Sept. 7 Colorado Centennial Championships, Denver.
Sept. 4-13 USLTA Singles & Mixed Doubles, Forest Hills, N.Y.
Sept. 7-12 South of England Lawn Tennis, Eastbourne, England.
Sept. 17-27 Pacific Southwest Invitational Tournament, Los Angeles.
Sept. 26-Oct. 4 Pacific Coast Championships, Berkeley, Calif.
Oct. 2-4 Western States Senior Championships, Salt Lake City.
Oct. 9-11 First Annual USLTA Seniors' (35) Hard Court Championships, Sacramento.