Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1998 | WTA | Fed Cup G1 RRD: HUN vs UKR | Clay | BJK Cup | 1998-04-15 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRD: SWE vs YUG | Clay | BJK Cup | 1998-04-15 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRA: BLR vs SLO | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRA: GRE vs ISR | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRA: PAR vs URU | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRB: CHI vs COL | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRB: GBR vs POR | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRB: MAD vs POL | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRC: BUL vs ROU | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRC: ECU vs PER | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRC: LAT vs RSA | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRD: HUN vs SWE | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRD: UKR vs YUG | Clay | BJK Cup | 1998-04-14 | 2 | - |
| 1998 | ATP | Barcelona | Clay | ATP International Series | 1998-04-13 | 55 | Todd Martin |
| 1998 | WTA | Fed Cup G1 RRA: CAN vs PAR | Clay | BJK Cup | 1998-04-13 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRB: BRA vs COL | Clay | BJK Cup | 1998-04-13 | 2 | - |
| 1998 | WTA | Fed Cup G1 RRC: ECU vs VEN | Clay | BJK Cup | 1998-04-13 | 2 | - |
| 1998 | WTA | Ipswich 1 10K | Clay | Davis Cup | 1998-04-13 | 31 | Melissa Beadman |
| 1998 | WTA | Ipswich 2 10K | Clay | Davis Cup | 1998-04-13 | 31 | Mira Radu |
| 1998 | WTA | Ipswich 3 10K | Clay | Davis Cup | 1998-04-13 | 31 | Melissa Beadman |
| 1998 | WTA | Ipswich 4 10K | Clay | Davis Cup | 1998-04-13 | 15 | Mira Radu |
| 1998 | WTA | Makarska | Clay | WTA Tour | 1998-04-13 | 31 | Kveta Peschke |
| 1998 | ATP | Tokyo | Hard | ATP International Series | 1998-04-13 | 55 | Andrei Pavel |
| 1998 | WTA | Tokyo | Hard | WTA Tour | 1998-04-13 | 29 | Ai Sugiyama |
| 1998 | WTA | Amelia Island | Clay | WTA Tour | 1998-04-06 | 55 | Mary Pierce |
| 1998 | ATP | Chennai | Hard | ATP International Series | 1998-04-06 | 31 | Patrick Rafter |
| 1998 | ATP | Estoril | Clay | ATP International Series | 1998-04-06 | 31 | Alberto Berasategui |
| 1998 | ATP | Hong Kong | Hard | ATP International Series | 1998-04-06 | 31 | Kenneth Carlsen |
| 1998 | ATP | Davis Cup WG R1: USA vs RUS | Hard | Davis Cup | 1998-04-04 | 4 | - |
| 1998 | ATP | Davis Cup G1 QF: FIN vs FRA | Carpet | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 QF: GBR vs UKR | Carpet | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 QF: ISR vs AUT | Hard | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 QF: ROU vs NOR | Hard | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 SF: ARG vs CHI | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 SF: ECU vs CAN | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 SF: JPN vs NZL | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G1 SF: KOR vs UZB | Clay | Davis Cup | 1998-04-03 | 3 | - |
| 1998 | ATP | Davis Cup G2 QF: HAI vs CUB | Hard | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: PAK vs POC | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: PER vs JAM | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: PHI vs THA | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: TPE vs HKG | Carpet | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: URU vs PAR | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup G2 QF: VEN vs GUA | Hard | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: AUS vs ZIM | Grass | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: BEL vs NED | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: BRA vs ESP | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: GER vs RSA | Carpet | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: ITA vs IND | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: SUI vs CZE | Carpet | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | ATP | Davis Cup WG R1: SVK vs SWE | Clay | Davis Cup | 1998-04-03 | 4 | - |
| 1998 | WTA | Hilton Head | Clay | WTA Tour | 1998-03-30 | 55 | Amanda Coetzer |
| 1998 | ATP | Casablanca | Clay | ATP International Series | 1998-03-23 | 31 | Andrea Gaudenzi |
| 1998 | WTA | Key Biscayne | Hard | WTA Tour | 1998-03-19 | 95 | Venus Williams |
| 1998 | ATP | Miami Masters | Hard | Masters 1000 | 1998-03-16 | 95 | Marcelo Rios |
| 1998 | ATP | Copenhagen | Carpet | ATP International Series | 1998-03-09 | 31 | Magnus Gustafsson |
| 1998 | ATP | Indian Wells Masters | Hard | Masters 1000 | 1998-03-09 | 55 | Marcelo Rios |
| 1998 | WTA | Indian Wells | Hard | WTA Tour | 1998-03-05 | 55 | Martina Hingis |
| 1998 | ATP | Rotterdam | Carpet | ATP International Series | 1998-03-02 | 31 | Jan Siemerink |
| 1998 | ATP | Scottsdale | Hard | ATP International Series | 1998-03-02 | 31 | Andre Agassi |