Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1981 | ATP | Dallas WCT | Carpet | ATP International Series | 1981-04-28 | 7 | John McEnroe |
| 1981 | WTA | Acapulco | Clay | WTA Tour | 1981-04-27 | 1 | Heliane Steden |
| 1981 | WTA | Bari | - | WTA Tour | 1981-04-27 | 30 | Barbara Rossi |
| 1981 | WTA | Orlando | Clay | WTA Tour | 1981-04-27 | 27 | Martina Navratilova |
| 1981 | WTA | West Worthing | - | WTA Tour | 1981-04-27 | 31 | Liz Gordon |
| 1981 | WTA | Bournemouth 2 | Clay | WTA Tour | 1981-04-21 | 31 | Jo Durie |
| 1981 | WTA | Amelia Island | Clay | WTA Tour | 1981-04-20 | 55 | Chris Evert |
| 1981 | ATP | Bournemouth | Clay | ATP International Series | 1981-04-20 | 31 | Victor Pecci |
| 1981 | ATP | Las Vegas | Hard | ATP International Series | 1981-04-20 | 31 | Ivan Lendl |
| 1981 | WTA | Lecce | Clay | WTA Tour | 1981-04-20 | 32 | Lea Plchova |
| 1981 | WTA | Sao Paulo | Clay | WTA Tour | 1981-04-20 | 1 | Laura Arraya |
| 1981 | WTA | Toowoomba | - | WTA Tour | 1981-04-20 | 1 | Helen Davis |
| 1981 | WTA | Nassau | - | WTA Tour | 1981-04-16 | 9 | Virginia Ruzici |
| 1981 | WTA | Southport England | Clay | WTA Tour | 1981-04-14 | 7 | Lisa Pennington |
| 1981 | WTA | Curitiba | - | WTA Tour | 1981-04-13 | 31 | Laura Arraya |
| 1981 | WTA | Hampstead | - | WTA Tour | 1981-04-13 | 45 | Jo Durie |
| 1981 | ATP | Los Angeles | Hard | ATP International Series | 1981-04-13 | 31 | John McEnroe |
| 1981 | ATP | Monte Carlo | Clay | ATP International Series | 1981-04-13 | 30 | - |
| 1981 | WTA | Taranto | - | WTA Tour | 1981-04-13 | 31 | Michaela Pazderova |
| 1981 | WTA | Catania | - | WTA Tour | 1981-04-06 | 31 | Lea Plchova |
| 1981 | WTA | Hilton Head | Clay | WTA Tour | 1981-04-06 | 56 | Chris Evert |
| 1981 | ATP | Houston | Clay | ATP International Series | 1981-04-06 | 31 | Guillermo Vilas |
| 1981 | ATP | Johannesburg | Hard | ATP International Series | 1981-04-06 | 31 | Kevin Curren |
| 1981 | WTA | Nice | - | WTA Tour | 1981-04-06 | 7 | Gail Sherriff |
| 1981 | ATP | Nice | Clay | ATP International Series | 1981-04-06 | 31 | Yannick Noah |
| 1981 | WTA | Norwich | - | WTA Tour | 1981-04-06 | 31 | Jo Durie |
| 1981 | WTA | Porto Alegre | - | WTA Tour | 1981-04-06 | 31 | Patricia Medrado |
| 1981 | WTA | Carlsbad | Hard | E | 1981-04-05 | 4 | Chris Evert |
| 1981 | ATP | Frankfurt | Carpet | ATP International Series | 1981-03-30 | 31 | John McEnroe |
| 1981 | ATP | Linz | Hard | ATP International Series | 1981-03-30 | 31 | Gianni Ocleppo |
| 1981 | WTA | Rio de Janeiro | - | WTA Tour | 1981-03-30 | 31 | Pilar Vasquez |
| 1981 | WTA | Boise | Carpet | WTA Tour | 1981-03-29 | 14 | Claudia Kohde Kilsch |
| 1981 | WTA | Nascosa | Clay | WTA Tour | 1981-03-29 | 31 | Lea Plchova |
| 1981 | ATP | Milan | Carpet | ATP International Series | 1981-03-23 | 31 | John McEnroe |
| 1981 | ATP | Napa | Hard | ATP International Series | 1981-03-23 | 31 | Sammy Giammalva Jr |
| 1981 | WTA | Salvador | - | WTA Tour | 1981-03-23 | 31 | Laura Arraya |
| 1981 | ATP | Stuttgart Indoor | Hard | ATP International Series | 1981-03-23 | 31 | Ivan Lendl |
| 1981 | WTA | Avon Championships | Carpet | WTA Tour | 1981-03-22 | 14 | Martina Navratilova |
| 1981 | WTA | Wynnum | - | WTA Tour | 1981-03-19 | 1 | Helen Davis |
| 1981 | WTA | Boston | Carpet | WTA Tour | 1981-03-16 | 31 | Chris Evert |
| 1981 | ATP | Nancy | Hard | ATP International Series | 1981-03-16 | 31 | Pavel Slozil |
| 1981 | ATP | Rotterdam | Hard | ATP International Series | 1981-03-16 | 31 | Jimmy Connors |
| 1981 | ATP | Brussels | Carpet | ATP International Series | 1981-03-09 | 31 | Jimmy Connors |
| 1981 | ATP | Cairo | Clay | ATP International Series | 1981-03-09 | 31 | Guillermo Vilas |
| 1981 | WTA | Dallas | Carpet | WTA Tour | 1981-03-09 | 32 | Martina Navratilova |
| 1981 | ATP | Tampa | Hard | ATP International Series | 1981-03-09 | 31 | Mel Purcell |
| 1981 | WTA | Bournemouth 1 | - | WTA Tour | 1981-03-06 | 40 | Florenta Mihai |
| 1981 | ATP | Davis Cup G1 F: INA vs IND | Clay | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup SAM F: COL vs CHI | Clay | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: FRA vs AUS | Carpet | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: FRG vs ARG | Carpet | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: GBR vs ITA | Carpet | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: JPN vs SWE | Carpet | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: KOR vs NZL | Clay | Davis Cup | 1981-03-06 | 2 | - |
| 1981 | ATP | Davis Cup WG R1: ROU vs BRA | Hard | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: SUI vs TCH | Hard | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Davis Cup WG R1: USA vs MEX | Hard | Davis Cup | 1981-03-06 | 4 | - |
| 1981 | ATP | Denver | Carpet | ATP International Series | 1981-03-02 | 31 | Gene Mayer |
| 1981 | WTA | Los Angeles | Carpet | WTA Tour | 1981-03-02 | 31 | Martina Navratilova |
| 1981 | ATP | Salisbury WCT | Carpet | ATP International Series | 1981-03-02 | 16 | Bill Scanlon |