Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1990 | ATP | Davis Cup G1 SF: KOR vs IND | Clay | Davis Cup | 1990-05-05 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: BEL vs HUN | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: CHN vs INA | Hard | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: DEN vs FIN | Carpet | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: ROU vs GBR | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: URS vs POR | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: BUL vs GRE | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: LUX vs POL | Hard | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: MON vs NOR | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: TUR vs MLT | Clay | Davis Cup | 1990-05-04 | 4 | - |
| 1990 | WTA | Taranto | Clay | WTA Tour | 1990-05-01 | 62 | Raffaella Reggi Concato |
| 1990 | WTA | Hamburg | Clay | WTA Tour | 1990-04-30 | 55 | Steffi Graf |
| 1990 | ATP | Madrid | Clay | ATP 500/250 | 1990-04-30 | 31 | Andres Gomez |
| 1990 | ATP | Munich | Clay | ATP 500/250 | 1990-04-30 | 31 | Karel Novacek |
| 1990 | ATP | Singapore | Hard | ATP 500/250 | 1990-04-30 | 31 | Kelly Jones |
| 1990 | WTA | Barcelona | Clay | WTA Tour | 1990-04-23 | 27 | Arantxa Sanchez Vicario |
| 1990 | ATP | Hong Kong | Hard | ATP 500/250 | 1990-04-23 | 31 | Pat Cash |
| 1990 | ATP | Monte Carlo Masters | Clay | Masters 1000 | 1990-04-23 | 55 | Andrei Chesnokov |
| 1990 | WTA | Singapore | Hard | WTA Tour | 1990-04-23 | 55 | Naoko Sawamatsu |
| 1990 | ATP | Nice | Clay | ATP 500/250 | 1990-04-16 | 31 | Juan Aguilera |
| 1990 | ATP | Seoul | Hard | ATP 500/250 | 1990-04-16 | 31 | Alex Antonitsch |
| 1990 | WTA | Tampa | Clay | WTA Tour | 1990-04-16 | 31 | Monica Seles |
| 1990 | WTA | Tokyo Japan Open | Hard | WTA Tour | 1990-04-10 | 31 | Catarina Lindqvist Ryan |
| 1990 | WTA | Amelia Island | Clay | WTA Tour | 1990-04-09 | 55 | Steffi Graf |
| 1990 | ATP | Barcelona | Clay | ATP 500/250 | 1990-04-09 | 55 | Andres Gomez |
| 1990 | ATP | Tokyo Outdoor | Hard | ATP 500/250 | 1990-04-09 | 55 | Stefan Edberg |
| 1990 | ATP | Estoril | Clay | ATP 500/250 | 1990-04-02 | 31 | Emilio Sanchez |
| 1990 | WTA | Hilton Head | Clay | WTA Tour | 1990-04-02 | 55 | Martina Navratilova |
| 1990 | ATP | Orlando | Hard | ATP 500/250 | 1990-04-02 | 31 | Brad Gilbert |
| 1990 | ATP | Rio de Janeiro | Carpet | ATP 500/250 | 1990-04-02 | 31 | Luiz Mattar |
| 1990 | ATP | Davis Cup G1 PO: BRA vs CHI | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G1 QF: CHN vs PHI | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G1 QF: IND vs JPN | Grass | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: PAR vs CAN | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G1 SF: URU vs PER | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: BAN vs TPE | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: BAR vs BAH | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: CIV vs CMR | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: CUB vs VEN | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: DOM vs COL | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: HAI vs ECU | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: KUW vs THA | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: MAS vs HKG | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: SRI vs BRN | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: TOG vs SEN | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 QF: ZAM vs ZIM | Hard | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup G2 R1: CYP vs BUL | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup WG QF: ARG vs GER | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup WG QF: AUS vs NZL | Grass | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup WG QF: AUT vs ITA | Clay | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | ATP | Davis Cup WG QF: TCH vs USA | Carpet | Davis Cup | 1990-03-30 | 4 | - |
| 1990 | WTA | San Antonio | Hard | WTA Tour | 1990-03-28 | 15 | Monica Seles |
| 1990 | WTA | Houston | Clay | WTA Tour | 1990-03-27 | 15 | Katerina Maleeva |
| 1990 | ATP | Davis Cup G2 QF: EGY vs MAR | Clay | Davis Cup | 1990-03-23 | 4 | - |
| 1990 | WTA | Key Biscayne | Hard | WTA Tour | 1990-03-16 | 95 | Monica Seles |
| 1990 | ATP | Miami Masters | Hard | Masters 1000 | 1990-03-16 | 95 | Andre Agassi |
| 1990 | WTA | Boca Raton | Hard | WTA Tour | 1990-03-05 | 55 | Gabriela Sabatini |
| 1990 | ATP | Casablanca | Clay | ATP 500/250 | 1990-03-05 | 31 | Thomas Muster |
| 1990 | ATP | Indian Wells Masters | Hard | Masters 1000 | 1990-03-05 | 55 | Stefan Edberg |
| 1990 | WTA | Indian Wells | Hard | WTA Tour | 1990-02-26 | 55 | Martina Navratilova |