Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1978 | ATP | Davis Cup EUR QF: GBR vs AUT | Grass | Davis Cup | 1978-06-16 | 4 | - |
| 1978 | ATP | Davis Cup EUR QF: HUN vs FRG | - | Davis Cup | 1978-06-16 | 4 | - |
| 1978 | ATP | Davis Cup EUR QF: TCH vs POL | Clay | Davis Cup | 1978-06-16 | 4 | - |
| 1978 | ATP | Davis Cup EUR QF: YUG vs SWE | Clay | Davis Cup | 1978-06-13 | 4 | - |
| 1978 | ATP | Brussels | Clay | ATP 500/250 | 1978-06-12 | 31 | Werner Zirngibl |
| 1978 | WTA | Chichester | Grass | WTA Tour | 1978-06-12 | 31 | Evonne Goolagong |
| 1978 | WTA | Liverpool | - | WTA Tour | 1978-06-12 | 3 | Anne Hobbs |
| 1978 | WTA | Beckenham | Grass | WTA Tour | 1978-06-05 | 40 | Evonne Goolagong |
| 1978 | ATP | Roland Garros | Clay | Grand Slam | 1978-05-29 | 127 | Bjorn Borg |
| 1978 | WTA | Roland Garros | Clay | Grand Slam | 1978-05-29 | 63 | Virginia Ruzici |
| 1978 | WTA | Surbiton | Grass | WTA Tour | 1978-05-29 | 95 | Evonne Goolagong |
| 1978 | ATP | Munich | Clay | ATP 500/250 | 1978-05-23 | 31 | Guillermo Vilas |
| 1978 | WTA | Glasgow | - | WTA Tour | 1978-05-22 | 43 | Charlene Murphy |
| 1978 | ATP | Rome | Clay | Masters 1000 | 1978-05-22 | 63 | Bjorn Borg |
| 1978 | WTA | Rome | Clay | WTA Tour | 1978-05-22 | 31 | Regina Marsikova |
| 1978 | ATP | Florence | Clay | ATP 500/250 | 1978-05-21 | 31 | Jose Luis Clerc |
| 1978 | ATP | Hamburg | Clay | ATP 500/250 | 1978-05-15 | 63 | Guillermo Vilas |
| 1978 | WTA | Hamburg | Clay | WTA Tour | 1978-05-15 | 31 | Mima Jausovec |
| 1978 | WTA | Los Angeles Sectionals | - | WTA Tour | 1978-05-14 | 31 | Stacy Margolin |
| 1978 | ATP | Dallas WCT | Carpet | ATP 500/250 | 1978-05-09 | 7 | Vitas Gerulaitis |
| 1978 | ATP | Nations Cup | Clay | ATP 500/250 | 1978-05-08 | 30 | Manuel Orantes |
| 1978 | WTA | Sutton | - | WTA Tour | 1978-05-08 | 51 | Linda Mottram |
| 1978 | WTA | Paddington | - | WTA Tour | 1978-05-01 | 54 | - |
| 1978 | ATP | Tulsa | Hard | ATP 500/250 | 1978-04-30 | 31 | Eddie Dibbs |
| 1978 | ATP | Las Vegas | Hard | ATP 500/250 | 1978-04-24 | 31 | Harold Solomon |
| 1978 | WTA | Norwich | - | WTA Tour | 1978-04-24 | 37 | Jo Durie |
| 1978 | WTA | Hampstead | - | WTA Tour | 1978-04-17 | 48 | Linda Mottram |
| 1978 | ATP | Houston WCT | Clay | ATP 500/250 | 1978-04-17 | 31 | Brian Gottfried |
| 1978 | WTA | Nice | - | WTA Tour | 1978-04-17 | 31 | Brigitte Simon Glinel |
| 1978 | ATP | Nice | Clay | ATP 500/250 | 1978-04-17 | 31 | Jose Higueras |
| 1978 | ATP | San Jose | Carpet | ATP 500/250 | 1978-04-17 | 31 | Arthur Ashe |
| 1978 | ATP | Guadalajara | Clay | ATP 500/250 | 1978-04-16 | 31 | Gene Mayer |
| 1978 | WTA | Hilton Head | Clay | WTA Tour | 1978-04-10 | 31 | Chris Evert |
| 1978 | ATP | Monte Carlo WCT | Clay | ATP 500/250 | 1978-04-10 | 31 | Raul Ramirez |
| 1978 | WTA | Turin | - | WTA Tour | 1978-04-10 | 9 | Hana Strachonova |
| 1978 | WTA | Monte Carlo | Clay | WTA Tour | 1978-04-05 | 42 | Brigitte Simon Glinel |
| 1978 | ATP | Johannesburg | Hard | ATP 500/250 | 1978-04-03 | 31 | Cliff Richey |
| 1978 | WTA | Milan | - | WTA Tour | 1978-04-03 | 9 | Helena Anliot |
| 1978 | ATP | Rotterdam WCT | Carpet | ATP 500/250 | 1978-04-03 | 31 | Jimmy Connors |
| 1978 | ATP | Dayton | Carpet | ATP 500/250 | 1978-04-02 | 31 | Brian Gottfried |
| 1978 | WTA | Barcelona Real | Clay | WTA Tour | 1978-03-29 | 24 | Gail Sherriff |
| 1978 | WTA | Stuart | Clay | WTA Tour | 1978-03-29 | 31 | Regina Marsikova |
| 1978 | ATP | Milan WCT | Carpet | ATP 500/250 | 1978-03-27 | 31 | Bjorn Borg |
| 1978 | WTA | Atlanta Futures | Carpet | WTA Tour | 1978-03-26 | 14 | Julie Anthony |
| 1978 | WTA | Philadelphia | Hard | WTA Tour | 1978-03-26 | 32 | Chris Evert |
| 1978 | WTA | Virginia Slims Championships | Carpet | WTA Tour | 1978-03-26 | 14 | Martina Navratilova |
| 1978 | ATP | Las Vegas | Carpet | ATP 500/250 | 1978-03-20 | 15 | Bjorn Borg |
| 1978 | ATP | Davis Cup AME F: USA vs RSA | Carpet | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: HUN vs BEL | - | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: IRL vs SWE | Hard | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: ISR vs AUT | Hard | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: MAR vs YUG | - | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: MON vs GBR | Clay | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: POL vs IRI | - | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: SUI vs FRG | - | Davis Cup | 1978-03-17 | 4 | - |
| 1978 | ATP | Davis Cup EUR PR: TCH vs NED | Clay | Davis Cup | 1978-03-17 | 3 | - |
| 1978 | ATP | Davis Cup SAM F: CHI vs ARG | Clay | Davis Cup | 1978-03-17 | 2 | - |
| 1978 | WTA | Boston | Carpet | WTA Tour | 1978-03-13 | 32 | Evonne Goolagong |
| 1978 | WTA | Orlando Futures | - | WTA Tour | 1978-03-13 | 32 | Mary Struthers |
| 1978 | ATP | Washington Indoor | Carpet | ATP 500/250 | 1978-03-13 | 31 | Brian Gottfried |