Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1991 | ATP | Milan | Carpet | ATP International Series | 1991-02-04 | 31 | Alexander Volkov |
| 1991 | ATP | San Francisco | Carpet | ATP International Series | 1991-02-04 | 31 | Darren Cahill |
| 1991 | WTA | Wellington | Hard | WTA Tour | 1991-02-04 | 31 | Leila Meskhi |
| 1991 | ATP | Davis Cup G1 QF: BRA vs PER | Hard | Davis Cup | 1991-02-01 | 3 | - |
| 1991 | ATP | Davis Cup G1 QF: DEN vs MAR | Carpet | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G1 QF: HUN vs URS | Carpet | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G1 QF: POL vs ROU | Carpet | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G1 QF: POR vs IRL | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: BAH vs CRC | Hard | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: BOL vs BAR | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: ECA vs GUA | Hard | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: ESA vs DOM | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: HAI vs VEN | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: JAM vs COL | Hard | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: KEN vs CGO | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: TRI vs ECU | Hard | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup G2 R1: ZAM vs CMR | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: AUS vs BEL | Grass | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: ESP vs CAN | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: GER vs ITA | Carpet | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: NZL vs ARG | Grass | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: TCH vs AUT | Carpet | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | ATP | Davis Cup WG R1: YUG vs SWE | Clay | Davis Cup | 1991-02-01 | 4 | - |
| 1991 | WTA | Tokyo Pan Pacific | Carpet | WTA Tour | 1991-01-29 | 27 | Gabriela Sabatini |
| 1991 | WTA | Auckland | Hard | WTA Tour | 1991-01-28 | 31 | Eva Sviglerova |
| 1991 | WTA | Australian Open | Hard | Grand Slam | 1991-01-14 | 127 | Monica Seles |
| 1991 | ATP | Australian Open | Hard | Grand Slam | 1991-01-14 | 127 | Boris Becker |
| 1991 | ATP | Auckland | Hard | ATP International Series | 1991-01-07 | 31 | Karel Novacek |
| 1991 | WTA | Sydney | Hard | WTA Tour | 1991-01-07 | 55 | Jana Novotna |
| 1991 | ATP | Sydney Outdoor | Hard | ATP International Series | 1991-01-07 | 31 | Guy Forget |
| 1990 | ATP | Adelaide | Hard | ATP International Series | 1990-12-31 | 31 | Nicklas Kulti |
| 1990 | WTA | Brisbane | Hard | WTA Tour | 1990-12-31 | 55 | Helena Sukova |
| 1990 | ATP | Wellington | Hard | ATP International Series | 1990-12-31 | 31 | Richard Fromberg |
| 1990 | ATP | Grand Slam Cup | Carpet | ATP International Series | 1990-12-11 | 15 | Pete Sampras |
| 1990 | ATP | Davis Cup WG F: USA vs AUS | Clay | Davis Cup | 1990-11-30 | 4 | - |
| 1990 | WTA | Sao Paulo | Clay | WTA Tour | 1990-11-26 | 31 | Veronika Martinek |
| 1990 | ATP | Tour Finals | Carpet | Tour Finals | 1990-11-12 | 15 | Andre Agassi |
| 1990 | WTA | Virginia Slims Championships | Carpet | WTA Tour | 1990-11-12 | 15 | Monica Seles |
| 1990 | WTA | Indianapolis | Hard | WTA Tour | 1990-11-05 | 31 | Conchita Martinez |
| 1990 | ATP | Itaparica | Hard | ATP International Series | 1990-11-05 | 31 | Mats Wilander |
| 1990 | ATP | Moscow | Carpet | ATP International Series | 1990-11-05 | 31 | Andrei Cherkasov |
| 1990 | ATP | Wembley | Carpet | ATP International Series | 1990-11-05 | 31 | Jakob Hlasek |
| 1990 | WTA | Worcester | Carpet | WTA Tour | 1990-11-05 | 27 | Steffi Graf |
| 1990 | WTA | Brentwood | Hard | WTA Tour | 1990-10-29 | 31 | Natalia Medvedeva |
| 1990 | WTA | Oakland | Carpet | WTA Tour | 1990-10-29 | 27 | Monica Seles |
| 1990 | ATP | Paris Masters | Carpet | Masters 1000 | 1990-10-29 | 47 | Stefan Edberg |
| 1990 | WTA | Brighton | Carpet | WTA Tour | 1990-10-23 | 31 | Steffi Graf |
| 1990 | WTA | Dorado | Hard | WTA Tour | 1990-10-22 | 31 | Jennifer Capriati |
| 1990 | ATP | Sao Paulo | Carpet | ATP International Series | 1990-10-22 | 31 | Robbie Weiss |
| 1990 | ATP | Stockholm Masters | Carpet | Masters 1000 | 1990-10-22 | 47 | Boris Becker |
| 1990 | WTA | Filderstadt | Carpet | WTA Tour | 1990-10-15 | 31 | Mary Joe Fernandez |
| 1990 | ATP | Lyon | Carpet | ATP International Series | 1990-10-15 | 31 | Marc Rosset |
| 1990 | WTA | Scottsdale | Hard | WTA Tour | 1990-10-15 | 31 | Conchita Martinez |
| 1990 | ATP | Vienna | Carpet | ATP International Series | 1990-10-15 | 31 | Anders Jarryd |
| 1990 | ATP | Berlin | Carpet | ATP International Series | 1990-10-08 | 31 | Ronald Agenor |
| 1990 | ATP | Tel Aviv | Hard | ATP International Series | 1990-10-08 | 31 | Andrei Chesnokov |
| 1990 | ATP | Tokyo Indoor | Carpet | ATP International Series | 1990-10-08 | 47 | Ivan Lendl |
| 1990 | WTA | Zurich | Carpet | WTA Tour | 1990-10-08 | 31 | Steffi Graf |
| 1990 | ATP | Athens | Clay | ATP International Series | 1990-10-01 | 31 | Mark Koevermans |
| 1990 | WTA | Moscow | Carpet | WTA Tour | 1990-10-01 | 31 | Leila Meskhi |