Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1968 | ATP | Milwaukee | Clay | ATP 500/250 | 1968-07-15 | 63 | Clark Graebner |
| 1968 | WTA | East Orange | — | WTA Tour | 1968-07-14 | 10 | Pat Stewart |
| 1968 | WTA | Philadelphia | Grass | WTA Tour | 1968-07-14 | 20 | Kristy Pigeon |
| 1968 | ATP | King's Cup 2R | Carpet | ATP 500/250 | 1968-07-10 | 5 | - |
| 1968 | WTA | Bastad | Clay | WTA Tour | 1968-07-08 | 15 | - |
| 1968 | ATP | Bastad 1 | Clay | ATP 500/250 | 1968-07-08 | 30 | Martin Mulligan |
| 1968 | WTA | Craiglockhart | Grass | WTA Tour | 1968-07-08 | 7 | Joyce Williams |
| 1968 | WTA | Dublin | Grass | WTA Tour | 1968-07-08 | 15 | Margaret Court |
| 1968 | ATP | Dublin | Grass | ATP 500/250 | 1968-07-08 | 31 | Tom Okker |
| 1968 | WTA | Dusseldorf | Clay | WTA Tour | 1968-07-08 | 18 | Gail Sherriff |
| 1968 | ATP | Dusseldorf | Clay | ATP 500/250 | 1968-07-08 | 40 | Istvan Gulyas |
| 1968 | WTA | Edinburgh ENG vs SCO | Grass | WTA Tour | 1968-07-08 | 2 | - |
| 1968 | WTA | Eidnhoven | Clay | WTA Tour | 1968-07-08 | 1 | Marijke Jansen |
| 1968 | WTA | Felixstowe | Grass | WTA Tour | 1968-07-08 | 3 | Janice Townsend |
| 1968 | WTA | Indianapolis | Clay | WTA Tour | 1968-07-08 | 30 | Nancy Richey |
| 1968 | ATP | Indianapolis | Clay | ATP 500/250 | 1968-07-08 | 63 | Jaime Fillol |
| 1968 | WTA | Newport Wales | Grass | WTA Tour | 1968-07-08 | 24 | Kristy Pigeon |
| 1968 | ATP | Cincinnati | Clay | Masters 1000 | 1968-07-07 | 11 | Bill Harris |
| 1968 | ATP | Paris 2 | Clay | ATP 500/250 | 1968-07-07 | 21 | Rod Laver |
| 1968 | WTA | La Jolla | Hard | WTA Tour | 1968-07-04 | 3 | Mary Struthers |
| 1968 | WTA | Travemunde | Clay | WTA Tour | 1968-07-04 | 3 | Gail Sherriff |
| 1968 | WTA | Cincinnati | Clay | WTA Tour | 1968-07-01 | 30 | Linda Tuero |
| 1968 | WTA | Wimbledon Plate | Grass | WTA Tour | 1968-07-01 | 18 | Virginia Wade |
| 1968 | ATP | Wimbledon | Grass | Grand Slam | 1968-06-24 | 127 | Rod Laver |
| 1968 | WTA | Wimbledon | Grass | Grand Slam | 1968-06-24 | 95 | Billie Jean King |
| 1968 | ATP | San Antonio Collegiate | — | ATP 500/250 | 1968-06-22 | 89 | Stan Smith |
| 1968 | WTA | Barcelona | Clay | WTA Tour | 1968-06-17 | 3 | Michelle Rodriguez |
| 1968 | ATP | London | Grass | ATP 500/250 | 1968-06-17 | 70 | - |
| 1968 | WTA | Queen's Club | Grass | WTA Tour | 1968-06-17 | 57 | - |
| 1968 | WTA | Mamaroneck | Clay | WTA Tour | 1968-06-16 | 14 | Marjorie Gengler |
| 1968 | ATP | Davis Cup EUR SF: ESP vs GBR | Clay | Davis Cup | 1968-06-14 | 4 | - |
| 1968 | ATP | Davis Cup EUR SF: FRG vs TCH | Clay | Davis Cup | 1968-06-14 | 4 | - |
| 1968 | WTA | Wightman Cup | Grass | BJK Cup | 1968-06-14 | 5 | - |
| 1968 | ATP | Davis Cup EUR SF: ITA vs URS | Clay | Davis Cup | 1968-06-13 | 4 | - |
| 1968 | ATP | Boston 1 | Grass | ATP 500/250 | 1968-06-12 | 16 | Rod Laver |
| 1968 | WTA | Beckenham | Grass | WTA Tour | 1968-06-10 | 31 | Margaret Court |
| 1968 | ATP | Beckenham | Grass | ATP 500/250 | 1968-06-10 | 43 | Fred Stolle |
| 1968 | WTA | Birmingham | Clay | WTA Tour | 1968-06-10 | 5 | Linda Tuero |
| 1968 | WTA | Bristol | Grass | WTA Tour | 1968-06-10 | 20 | Kerry Reid |
| 1968 | ATP | Bristol | — | ATP 500/250 | 1968-06-10 | 47 | Arthur Ashe |
| 1968 | WTA | Casablanca | Clay | WTA Tour | 1968-06-10 | 11 | Gail Sherriff |
| 1968 | WTA | Lugano | Clay | WTA Tour | 1968-06-10 | 16 | Annette Van Zyl |
| 1968 | ATP | Lugano | Clay | ATP 500/250 | 1968-06-10 | 41 | Ion Tiriac |
| 1968 | WTA | Nottingham | Grass | WTA Tour | 1968-06-10 | 7 | Judy Tegart |
| 1968 | ATP | Saltsjoebaden | — | ATP 500/250 | 1968-06-10 | 7 | Tom Okker |
| 1968 | ATP | Barcelona | Clay | ATP 500/250 | 1968-06-07 | 57 | Martin Mulligan |
| 1968 | ATP | Davis Cup AME F: USA vs ECU | Carpet | Davis Cup | 1968-06-07 | 4 | - |
| 1968 | ATP | Helsinki | — | ATP 500/250 | 1968-06-06 | 11 | Manuel Santana |
| 1968 | WTA | Leverkusen | Clay | WTA Tour | 1968-06-06 | 3 | Alena Palmeova West |
| 1968 | WTA | Prague Intl | Clay | WTA Tour | 1968-06-06 | 4 | Helen Gourlay |
| 1968 | WTA | Saltsjobaden | Clay | WTA Tour | 1968-06-06 | 3 | Lesley Turner |
| 1968 | WTA | Mamaroneck State | Clay | WTA Tour | 1968-06-04 | 11 | Pat Stewart |
| 1968 | WTA | Manchester | Grass | WTA Tour | 1968-06-04 | 31 | Margaret Court |
| 1968 | WTA | Barnes | Grass | WTA Tour | 1968-06-03 | 7 | Shirley Bloomer |
| 1968 | WTA | Helsinki | Clay | WTA Tour | 1968-06-03 | 3 | Lesley Turner |
| 1968 | ATP | Manchester | — | ATP 500/250 | 1968-06-03 | 52 | Ken Fletcher |
| 1968 | ATP | Baltimore WCT | Carpet | ATP 500/250 | 1968-05-31 | 8 | Dennis Ralston |
| 1968 | WTA | Berlin | Clay | WTA Tour | 1968-05-30 | 15 | Helga Schultze |
| 1968 | ATP | Berlin | Clay | ATP 500/250 | 1968-05-29 | 31 | Manuel Santana |
| 1968 | ATP | Sacramento | Hard | ATP 500/250 | 1968-05-29 | 49 | Clark Graebner |