Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1990 | ATP | Sydney Indoor | Hard | ATP International Series | 1990-10-01 | 47 | Boris Becker |
| 1990 | ATP | Toulouse | Hard | ATP International Series | 1990-10-01 | 31 | Jonas Svensson |
| 1990 | WTA | Tokyo Dentsu | Carpet | WTA Tour | 1990-09-25 | 27 | Mary Joe Fernandez |
| 1990 | ATP | Basel | Hard | ATP International Series | 1990-09-24 | 31 | John McEnroe |
| 1990 | WTA | Bayonne | Carpet | WTA Tour | 1990-09-24 | 31 | Nathalie Tauziat |
| 1990 | ATP | Brisbane | Hard | ATP International Series | 1990-09-24 | 31 | Brad Gilbert |
| 1990 | WTA | Leipzig | Carpet | WTA Tour | 1990-09-24 | 27 | Steffi Graf |
| 1990 | ATP | Palermo | Clay | ATP International Series | 1990-09-24 | 31 | Franco Davin |
| 1990 | ATP | Davis Cup WG PO: CAN vs NED | Hard | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG PO: GBR vs FRA | Grass | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG PO: MEX vs URU | Hard | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG PO: SWE vs FIN | Carpet | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG PO: URS vs ESP | Carpet | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG PO: YUG vs SUI | Clay | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG SF: AUS vs ARG | Grass | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | ATP | Davis Cup WG SF: AUT vs USA | Clay | Davis Cup | 1990-09-21 | 4 | - |
| 1990 | WTA | Paris | Clay | WTA Tour | 1990-09-17 | 31 | Conchita Martinez |
| 1990 | ATP | Davis Cup WG PO: ISR vs CHN | Hard | Davis Cup | 1990-09-13 | 4 | - |
| 1990 | WTA | Athens | Clay | WTA Tour | 1990-09-10 | 31 | Cecilia Dahlman |
| 1990 | ATP | Bordeaux | Clay | ATP International Series | 1990-09-10 | 31 | Guy Forget |
| 1990 | ATP | Geneva | Clay | ATP International Series | 1990-09-10 | 31 | Horst Skoff |
| 1990 | WTA | Kitzbuhel | Clay | WTA Tour | 1990-09-10 | 31 | Claudia Kohde Kilsch |
| 1990 | ATP | US Open | Hard | Grand Slam | 1990-08-27 | 127 | Pete Sampras |
| 1990 | WTA | US Open | Hard | Grand Slam | 1990-08-27 | 127 | Gabriela Sabatini |
| 1990 | ATP | Davis Cup WG PO: BEL vs KOR | Clay | Davis Cup | 1990-08-24 | 4 | - |
| 1990 | ATP | Long Island | Hard | ATP International Series | 1990-08-20 | 27 | Stefan Edberg |
| 1990 | ATP | San Marino | Clay | ATP International Series | 1990-08-20 | 31 | Guillermo Perez Roldan |
| 1990 | WTA | Schenectady | Hard | WTA Tour | 1990-08-20 | 31 | Anke Huber |
| 1990 | ATP | Schenectady | Hard | ATP International Series | 1990-08-20 | 27 | Ramesh Krishnan |
| 1990 | ATP | Indianapolis | Hard | ATP International Series | 1990-08-13 | 55 | Boris Becker |
| 1990 | WTA | Manhattan Beach | Hard | WTA Tour | 1990-08-13 | 55 | Monica Seles |
| 1990 | ATP | New Haven | Hard | ATP International Series | 1990-08-13 | 55 | Derrick Rostagno |
| 1990 | WTA | Albuquerque | Hard | WTA Tour | 1990-08-06 | 31 | Jana Novotna |
| 1990 | ATP | Cincinnati Masters | Hard | Masters 1000 | 1990-08-06 | 55 | Stefan Edberg |
| 1990 | ATP | Prague | Clay | ATP International Series | 1990-08-06 | 31 | Jordi Arrese |
| 1990 | WTA | San Diego | Hard | WTA Tour | 1990-08-06 | 31 | Steffi Graf |
| 1990 | ATP | Kitzbuhel | Clay | ATP International Series | 1990-07-30 | 47 | Horacio De La Pena |
| 1990 | ATP | Los Angeles | Hard | ATP International Series | 1990-07-30 | 31 | Stefan Edberg |
| 1990 | ATP | San Remo | Clay | ATP International Series | 1990-07-30 | 31 | Jordi Arrese |
| 1990 | WTA | Toronto | Hard | WTA Tour | 1990-07-30 | 55 | Steffi Graf |
| 1990 | ATP | Canada Masters | Hard | Masters 1000 | 1990-07-23 | 55 | Michael Chang |
| 1990 | ATP | Hilversum | Clay | ATP International Series | 1990-07-23 | 31 | Francisco Clavet |
| 1990 | WTA | Fed Cup WG ConQR: IRL vs MAS | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: LUX vs SRI | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: NOR vs MLT | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: PHI vs JAM | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: THA vs URU | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: TRI vs MEX | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConQR: YUG vs BAH | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: ARG vs FIN | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: ARG vs POL | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: BRA vs BUL | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: BRA vs SUI | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: BUL vs NOR | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: CHN vs HUN | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: CHN vs URU | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: HUN vs ARG | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: HUN vs INA | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: INA vs CAN | Hard | BJK Cup | 1990-07-21 | 2 | - |
| 1990 | WTA | Fed Cup WG ConR: INA vs KOR | Hard | BJK Cup | 1990-07-21 | 2 | - |