Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1968 | ATP | Caracas | Hard | ATP International Series | 1968-03-11 | 30 | Marty Riessen |
| 1968 | WTA | Phoenix | Hard | WTA Tour | 1968-03-11 | 15 | Patti Hogan |
| 1968 | ATP | Phoenix | - | ATP 500/250 | 1968-03-11 | 15 | Stan Smith |
| 1968 | WTA | Barranquilla | Clay | WTA Tour | 1968-03-04 | 19 | Nancy Richey |
| 1968 | ATP | Barranquilla | Clay | ATP International Series | 1968-03-04 | 31 | Tom Okker |
| 1968 | WTA | Cannes Montfleury | Clay | WTA Tour | 1968-03-04 | 5 | Marilyn Aschner |
| 1968 | WTA | Hollywood | Hard | WTA Tour | 1968-03-04 | 7 | Mimi Wheeler |
| 1968 | WTA | Redcliffe | - | WTA Tour | 1968-03-04 | 1 | Barbara Hawcroft |
| 1968 | ATP | Long Island Indoors | Carpet | ATP 500/250 | 1968-03-02 | 4 | - |
| 1968 | WTA | Cairo | Clay | WTA Tour | 1968-03-01 | 16 | Gail Sherriff |
| 1968 | WTA | Brussels Indoors | Carpet | WTA Tour | 1968-02-29 | 3 | Christiane Mercelis |
| 1968 | WTA | Perth City | Grass | WTA Tour | 1968-02-29 | 3 | Margaret Court |
| 1968 | ATP | Munich Indoors | Carpet | ATP 500/250 | 1968-02-28 | 15 | Jorgen Ulrich |
| 1968 | ATP | Tulsa WCT | Carpet | ATP International Series | 1968-02-27 | 13 | Cliff Drysdale |
| 1968 | ATP | Concord Indoors | Carpet | ATP 500/250 | 1968-02-26 | 11 | Arthur Ashe |
| 1968 | WTA | Juan-les-Pins | Clay | WTA Tour | 1968-02-26 | 1 | Marilyn Aschner |
| 1968 | ATP | Kingston | Hard | ATP International Series | 1968-02-26 | 18 | Tom Okker |
| 1968 | WTA | Lyon | Carpet | WTA Tour | 1968-02-26 | 3 | Rosie Reyes |
| 1968 | WTA | Munich Indoors | Carpet | WTA Tour | 1968-02-26 | 12 | Edda Buding |
| 1968 | WTA | Boston | Carpet | WTA Tour | 1968-02-20 | 22 | Billie Jean King |
| 1968 | ATP | Macon | Hard | ATP International Series | 1968-02-20 | 23 | Jan Leschly |
| 1968 | ATP | Orlando WCT | Carpet | ATP International Series | 1968-02-20 | 13 | Dennis Ralston |
| 1968 | WTA | Moscow Indoor Chps | Carpet | WTA Tour | 1968-02-19 | 8 | Virginia Wade |
| 1968 | WTA | Prague Test | Carpet | WTA Tour | 1968-02-19 | 3 | Marie Pinterova |
| 1968 | ATP | New Orleans WCT | Carpet | ATP International Series | 1968-02-16 | 13 | Cliff Drysdale |
| 1968 | WTA | Salem | Hard | WTA Tour | 1968-02-16 | 22 | Billie Jean King |
| 1968 | ATP | Houston WCT | Carpet | ATP International Series | 1968-02-13 | 13 | Earl Butch Buchholz |
| 1968 | ATP | Salisbury | Hard | ATP International Series | 1968-02-12 | 45 | Cliff Richey |
| 1968 | WTA | Wollongong | Clay | WTA Tour | 1968-02-12 | 8 | Elizabeth Fenton |
| 1968 | ATP | Pittsburgh Indoors | Carpet | ATP 500/250 | 1968-02-10 | 5 | Mark Cox |
| 1968 | ATP | Miami WCT | Carpet | ATP International Series | 1968-02-09 | 8 | Earl Butch Buchholz |
| 1968 | WTA | Paris Indoors | Carpet | WTA Tour | 1968-02-09 | 18 | Nell Truman |
| 1968 | ATP | Philadelphia WCT | Carpet | ATP International Series | 1968-02-08 | 11 | Manuel Santana |
| 1968 | ATP | Shreveport WCT | Hard | ATP International Series | 1968-02-08 | 7 | Dennis Ralston |
| 1968 | WTA | Leningrad | Carpet | WTA Tour | 1968-02-05 | 7 | Galina Baksheeva |
| 1968 | ATP | Richmond | Hard | ATP International Series | 1968-02-02 | 7 | Arthur Ashe |
| 1968 | ATP | WCT World Cup | Carpet | ATP International Series | 1968-02-01 | 16 | - |
| 1968 | ATP | Auckland | Grass | ATP International Series | 1968-01-31 | 23 | Barry Phillips Moore |
| 1968 | WTA | Auckland Chps 1 | Grass | WTA Tour | 1968-01-29 | 3 | Beverley Vercoe |
| 1968 | WTA | Auckland North Shore | - | WTA Tour | 1968-01-29 | 1 | Beverley Vercoe |
| 1968 | WTA | Copenhagen | Carpet | WTA Tour | 1968-01-29 | 16 | Virginia Wade |
| 1968 | WTA | Los Angeles Metro | Hard | WTA Tour | 1968-01-29 | 7 | Betty Ann Grubb |
| 1968 | WTA | Miami | Clay | WTA Tour | 1968-01-29 | 7 | Faye Urban |
| 1968 | WTA | San Diego | Hard | WTA Tour | 1968-01-29 | 5 | Marjorie Gengler |
| 1968 | WTA | Auckland Wills Intl | Grass | WTA Tour | 1968-01-28 | 8 | Kerry Reid |
| 1968 | WTA | Bremen | Carpet | WTA Tour | 1968-01-26 | 23 | Joyce Williams |
| 1968 | ATP | Bremen Indoors | Carpet | ATP 500/250 | 1968-01-22 | 31 | Ismail El Shafei |
| 1968 | WTA | Fort Lauderdale | Clay | WTA Tour | 1968-01-22 | 12 | Faye Urban |
| 1968 | ATP | Woodside | - | ATP 500/250 | 1968-01-21 | 3 | Gene Scott |
| 1968 | ATP | Sydney WCT | Carpet | ATP International Series | 1968-01-20 | 13 | Tony Roche |
| 1968 | WTA | Australian Championships | Grass | Grand Slam | 1968-01-19 | 61 | Billie Jean King |
| 1968 | ATP | Australian Chps. | Grass | Grand Slam | 1968-01-19 | 61 | Bill Bowrey |
| 1968 | WTA | Bombay | - | WTA Tour | 1968-01-16 | 1 | Aleksandra Ivanova |
| 1968 | WTA | Durban | Hard | WTA Tour | 1968-01-16 | 11 | Annette Van Zyl |
| 1968 | WTA | Paris Coupe Gillou | Carpet | WTA Tour | 1968-01-16 | 4 | Monique Salfati |
| 1968 | ATP | Durban 1 | Hard | ATP International Series | 1968-01-14 | 62 | Robert Maud |
| 1968 | WTA | Auckland NZ Chps | - | WTA Tour | 1968-01-08 | 1 | Marilyn Pryde |
| 1968 | WTA | Bangalore | Clay | WTA Tour | 1968-01-08 | 1 | Aleksandra Ivanova |
| 1968 | WTA | Bloemfontein | Hard | WTA Tour | 1968-01-08 | 14 | Virginia Wade |
| 1968 | ATP | Bloemfontein | Hard | ATP International Series | 1968-01-08 | 63 | Marty Riessen |