Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1968 | ATP | Evansville WCT | Carpet | ATP International Series | 1968-04-20 | 8 | John Newcombe |
| 1968 | WTA | Chingford | Clay | WTA Tour | 1968-04-17 | 16 | Fay Toyne |
| 1968 | ATP | Wembley NTL 1 | Hard | ATP International Series | 1968-04-17 | 3 | Rod Laver |
| 1968 | ATP | Paris NTL | Hard | ATP International Series | 1968-04-16 | 6 | Ken Rosewall |
| 1968 | WTA | Paris Pros | - | WTA Tour | 1968-04-16 | 3 | Billie Jean King |
| 1968 | WTA | Tel Aviv Spring | Clay | WTA Tour | 1968-04-16 | 3 | Laura Rossouw |
| 1968 | WTA | Aix-En-Provence | Clay | WTA Tour | 1968-04-15 | 10 | Gail Sherriff |
| 1968 | ATP | Cannes Chps | - | ATP 500/250 | 1968-04-15 | 1 | Andres Gimeno |
| 1968 | WTA | Charlotte | Clay | WTA Tour | 1968-04-15 | 15 | Judy Tegart |
| 1968 | ATP | Charlotte | Clay | ATP International Series | 1968-04-15 | 14 | Arthur Ashe |
| 1968 | WTA | Houston | Clay | WTA Tour | 1968-04-15 | 8 | Nancy Richey |
| 1968 | ATP | Houston 2 | Clay | ATP International Series | 1968-04-15 | 31 | Cliff Richey |
| 1968 | WTA | Madrid | Clay | WTA Tour | 1968-04-15 | 7 | Helga Masthoff |
| 1968 | ATP | Madrid | Clay | ATP 500/250 | 1968-04-15 | 38 | Manuel Santana |
| 1968 | ATP | Monte Carlo | Clay | ATP International Series | 1968-04-15 | 63 | Nicola Pietrangeli |
| 1968 | WTA | Palermo | Clay | WTA Tour | 1968-04-15 | 15 | Helen Gourlay |
| 1968 | ATP | Palermo | Clay | ATP International Series | 1968-04-15 | 31 | Ion Tiriac |
| 1968 | WTA | Cannes Pros | Clay | WTA Tour | 1968-04-14 | 3 | Billie Jean King |
| 1968 | ATP | Hollywood NTL | Clay | ATP International Series | 1968-04-10 | 12 | Roy Emerson |
| 1968 | WTA | Catania | Clay | WTA Tour | 1968-04-08 | 10 | Helen Gourlay |
| 1968 | ATP | Catania | Clay | ATP International Series | 1968-04-08 | 30 | Martin Mulligan |
| 1968 | WTA | Hampstead | Clay | WTA Tour | 1968-04-08 | 40 | Fay Toyne |
| 1968 | WTA | Monte Carlo | Clay | WTA Tour | 1968-04-08 | 27 | Vlasta Kodesova |
| 1968 | WTA | San Luis Potosi | Clay | WTA Tour | 1968-04-08 | 7 | Yola Ramirez |
| 1968 | WTA | St. Petersburg | Clay | WTA Tour | 1968-04-08 | 8 | Nancy Richey |
| 1968 | ATP | St. Petersburg | Clay | ATP International Series | 1968-04-08 | 29 | Mike Belkin |
| 1968 | WTA | Tampa | Clay | WTA Tour | 1968-04-08 | 7 | Helga Masthoff |
| 1968 | ATP | Tampa | Clay | ATP International Series | 1968-04-08 | 15 | Manuel Santana |
| 1968 | ATP | Fresno WCT | Carpet | ATP International Series | 1968-04-05 | 8 | Earl Butch Buchholz |
| 1968 | WTA | Nairobi | - | WTA Tour | 1968-04-02 | 3 | Virginia Wade |
| 1968 | ATP | Bakersfield WCT | Carpet | ATP International Series | 1968-04-01 | 8 | John Newcombe |
| 1968 | WTA | Johannesburg | Hard | WTA Tour | 1968-04-01 | 54 | Margaret Court |
| 1968 | ATP | Johannesburg 1 | Hard | ATP International Series | 1968-04-01 | 62 | Tom Okker |
| 1968 | WTA | Nice | Clay | WTA Tour | 1968-04-01 | 45 | Gail Sherriff |
| 1968 | WTA | San Juan | Hard | WTA Tour | 1968-04-01 | 20 | Nancy Richey |
| 1968 | ATP | San Juan | Hard | ATP International Series | 1968-04-01 | 31 | Mark Cox |
| 1968 | ATP | Davis Cup SAM SF: PER vs CHI | - | Davis Cup | 1968-03-29 | 4 | - |
| 1968 | ATP | Los Altos Hills WCT | Carpet | ATP International Series | 1968-03-28 | 8 | Nikola Pilic |
| 1968 | ATP | Bogota NTL | Clay | ATP International Series | 1968-03-27 | 4 | Andres Gimeno |
| 1968 | WTA | New York | Carpet | WTA Tour | 1968-03-26 | 15 | Nancy Richey |
| 1968 | WTA | Menton | Clay | WTA Tour | 1968-03-25 | 29 | Gail Sherriff |
| 1968 | ATP | New York 1 | Carpet | ATP International Series | 1968-03-25 | 31 | Arthur Ashe |
| 1968 | ATP | Parioli | Clay | ATP International Series | 1968-03-25 | 63 | Ion Tiriac |
| 1968 | WTA | San Francisco | Hard | WTA Tour | 1968-03-25 | 10 | Mimi Wheeler |
| 1968 | ATP | Buenos Aires NTL | Clay | ATP International Series | 1968-03-23 | 4 | Rod Laver |
| 1968 | ATP | Davis Cup G2 SF: JPN vs KOR | - | Davis Cup | 1968-03-23 | 4 | - |
| 1968 | ATP | San Diego WCT | Carpet | ATP International Series | 1968-03-22 | 8 | Earl Butch Buchholz |
| 1968 | WTA | Kampala | Clay | WTA Tour | 1968-03-21 | 7 | Virginia Wade |
| 1968 | ATP | Davis Cup G2 SF: SRI vs MAS | Clay | Davis Cup | 1968-03-20 | 4 | - |
| 1968 | ATP | Cannes | - | ATP 500/250 | 1968-03-18 | 88 | Ion Tiriac |
| 1968 | WTA | Cannes International | Clay | WTA Tour | 1968-03-18 | 23 | Roberta Beltrame |
| 1968 | WTA | Curacao | Clay | WTA Tour | 1968-03-18 | 9 | Nancy Richey |
| 1968 | ATP | Curacao | Hard | ATP International Series | 1968-03-18 | 23 | Marty Riessen |
| 1968 | WTA | Jacksonville | Clay | WTA Tour | 1968-03-18 | 1 | Stephanie Defina |
| 1968 | ATP | Mexico City | - | ATP International Series | 1968-03-18 | 28 | Rafael Osuna |
| 1968 | ATP | Sao Paulo NTL 1 | Clay | ATP International Series | 1968-03-18 | 6 | Rod Laver |
| 1968 | WTA | Mexico City | Clay | WTA Tour | 1968-03-17 | 14 | Julie Heldman |
| 1968 | WTA | Alexandria | Clay | WTA Tour | 1968-03-11 | 16 | Anna Dmitrieva |
| 1968 | WTA | Beaulieu | Clay | WTA Tour | 1968-03-11 | 16 | Alice Tym |
| 1968 | WTA | Caracas | Hard | WTA Tour | 1968-03-11 | 16 | Ann Jones |