Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1973 | WTA | Fed Cup WG R1: USA vs ITA | Clay | BJK Cup | 1973-04-30 | 2 | - |
| 1973 | ATP | Florence | Clay | ATP International Series | 1973-04-30 | 45 | Ilie Nastase |
| 1973 | WTA | Sutton | Clay | WTA Tour | 1973-04-30 | 27 | Lindsey Beaven |
| 1973 | ATP | Davis Cup EUR R1: SUI vs FRG | - | Davis Cup | 1973-04-27 | 2 | - |
| 1973 | WTA | Ojai | Hard | WTA Tour | 1973-04-26 | 13 | Laurie Tenney |
| 1973 | WTA | Tel Aviv | - | WTA Tour | 1973-04-26 | 1 | Paulina Peisachov |
| 1973 | ATP | Denver WCT | Carpet | ATP International Series | 1973-04-23 | 31 | Mark Cox |
| 1973 | ATP | Gothenberg WCT | Carpet | ATP International Series | 1973-04-23 | 31 | Stan Smith |
| 1973 | ATP | Madrid | Clay | ATP International Series | 1973-04-23 | 47 | Ilie Nastase |
| 1973 | WTA | Norwich | Clay | WTA Tour | 1973-04-23 | 15 | Veronica Burton |
| 1973 | ATP | Davis Cup AME SF: JPN vs AUS | - | Davis Cup | 1973-04-20 | 4 | - |
| 1973 | ATP | Davis Cup EUR PR: AUT vs MON | - | Davis Cup | 1973-04-20 | 2 | - |
| 1973 | ATP | Davis Cup EUR PR: BUL vs IRI | - | Davis Cup | 1973-04-20 | 4 | - |
| 1973 | ATP | Davis Cup EUR PR: EGY vs TUR | - | Davis Cup | 1973-04-20 | 4 | - |
| 1973 | ATP | Davis Cup EUR SF: IND vs PAK | Grass | Davis Cup | 1973-04-20 | 3 | - |
| 1973 | WTA | Jacksonville | Clay | WTA Tour | 1973-04-17 | 32 | Margaret Court |
| 1973 | ATP | Charlotte WCT | Clay | ATP International Series | 1973-04-16 | 31 | Ken Rosewall |
| 1973 | WTA | Hampstead | Clay | WTA Tour | 1973-04-16 | 54 | Linda Mottram |
| 1973 | WTA | Monte Carlo | Clay | WTA Tour | 1973-04-16 | 14 | Fiorella Bonicelli |
| 1973 | WTA | St Petersburg | Clay | WTA Tour | 1973-04-16 | 31 | Chris Evert |
| 1973 | ATP | Nice | Clay | ATP International Series | 1973-04-15 | 31 | Manuel Orantes |
| 1973 | ATP | Johannesburg WCT | Hard | ATP International Series | 1973-04-14 | 31 | Brian Gottfried |
| 1973 | ATP | Monte Carlo | Clay | ATP International Series | 1973-04-14 | 47 | Ilie Nastase |
| 1973 | ATP | Davis Cup EUR PR: GRE vs FIN | - | Davis Cup | 1973-04-13 | 4 | - |
| 1973 | ATP | Davis Cup EUR PR: IRL vs NOR | Hard | Davis Cup | 1973-04-13 | 4 | - |
| 1973 | ATP | Davis Cup G1 QF: JPN vs INA | - | Davis Cup | 1973-04-13 | 2 | - |
| 1973 | ATP | Davis Cup SAM SF: ARG vs RSA | Clay | Davis Cup | 1973-04-13 | 4 | - |
| 1973 | WTA | Tashkent | - | WTA Tour | 1973-04-12 | 1 | Marina Kroschina |
| 1973 | WTA | Quincy | Carpet | WTA Tour | 1973-04-11 | 32 | Margaret Court |
| 1973 | ATP | Brussels WCT | Carpet | ATP International Series | 1973-04-09 | 31 | Stan Smith |
| 1973 | ATP | Cleveland WCT | Carpet | ATP International Series | 1973-04-09 | 30 | Ken Rosewall |
| 1973 | ATP | Davis Cup G2 QF: PAK vs VIE | Grass | Davis Cup | 1973-04-09 | 4 | - |
| 1973 | WTA | Miami Beach | Clay | WTA Tour | 1973-04-09 | 47 | Chris Evert |
| 1973 | WTA | Nice | Clay | WTA Tour | 1973-04-09 | 16 | Ingrid Bentzer |
| 1973 | ATP | Nice | Clay | ATP International Series | 1973-04-09 | 47 | Manuel Orantes |
| 1973 | ATP | Davis Cup EUR PR: POR vs SUI | Clay | Davis Cup | 1973-04-06 | 4 | - |
| 1973 | WTA | Sarasota | Clay | WTA Tour | 1973-04-05 | 16 | Chris Evert |
| 1973 | WTA | Philadelphia | Carpet | WTA Tour | 1973-04-03 | 16 | Margaret Court |
| 1973 | ATP | Barcelona | Clay | ATP International Series | 1973-04-02 | 47 | Ilie Nastase |
| 1973 | ATP | Houston WCT | Clay | ATP International Series | 1973-04-02 | 31 | Ken Rosewall |
| 1973 | ATP | Munich WCT | Carpet | ATP International Series | 1973-04-02 | 31 | Stan Smith |
| 1973 | ATP | Vancouver WCT | - | ATP International Series | 1973-04-01 | 31 | Tom Gorman |
| 1973 | WTA | New York | Carpet | WTA Tour | 1973-03-28 | 16 | Chris Evert |
| 1973 | WTA | Tucson | Hard | WTA Tour | 1973-03-28 | 32 | Kerry Reid |
| 1973 | ATP | Davis Cup WG PR: INA vs HKG | - | Davis Cup | 1973-03-26 | 4 | - |
| 1973 | WTA | Menton | Clay | WTA Tour | 1973-03-26 | 7 | Odile De Roubin |
| 1973 | ATP | St. Louis WCT | Carpet | ATP International Series | 1973-03-26 | 31 | Stan Smith |
| 1973 | ATP | Valencia | Clay | ATP International Series | 1973-03-26 | 47 | Manuel Orantes |
| 1973 | ATP | Davis Cup EUR SF: MEX vs COL | Clay | Davis Cup | 1973-03-23 | 4 | - |
| 1973 | ATP | Davis Cup G2 PR: KOR vs JPN | - | Davis Cup | 1973-03-23 | 4 | - |
| 1973 | ATP | Davis Cup G2 PR: MAS vs PAK | - | Davis Cup | 1973-03-23 | 3 | - |
| 1973 | ATP | Davis Cup G2 PR: VIE vs SRI | Grass | Davis Cup | 1973-03-23 | 2 | - |
| 1973 | ATP | Davis Cup SAM PR: ARG vs BRA | Clay | Davis Cup | 1973-03-23 | 4 | - |
| 1973 | WTA | Beaulieu | Clay | WTA Tour | 1973-03-22 | 7 | Tine Zwaan |
| 1973 | ATP | Jackson | Hard | ATP International Series | 1973-03-22 | 15 | Eddie Dibbs |
| 1973 | ATP | Washington 2 | Carpet | ATP International Series | 1973-03-20 | 31 | Ilie Nastase |
| 1973 | WTA | Akron | Carpet | WTA Tour | 1973-03-19 | 15 | Chris Evert |
| 1973 | ATP | Atlanta WCT | Clay | ATP International Series | 1973-03-19 | 31 | Stan Smith |
| 1973 | ATP | Washington WCT | Carpet | ATP International Series | 1973-03-19 | 31 | Tom Okker |
| 1973 | WTA | Boston | Carpet | WTA Tour | 1973-03-14 | 16 | Evonne Goolagong |