| Details | |
|---|---|
| Duration | February 2 – October 25 |
| Edition | 9th |
| Tournaments | 8 |
| Achievements (singles) | |
| Most tournament titles |  Lindsay Davenport  Martina Hingis (2) |
| Most tournament finals | Lindsay Davenport Martina Hingis Venus Williams (3) |
← 1997 1999 → | |
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour. [1]
| Tournament | Country | Location | Surface | Date | Prize money [2] |
|---|---|---|---|---|---|
| Toray Pan Pacific Open | Japan | Tokyo | Carpet (i) | Feb 2 – 8 | $926,250 |
| State Farm Evert Cup | United States | Indian Wells | Hard | Mar 2 – 15 | $1,250,000 |
| Lipton Championships | United States | Key Biscayne | Hard | Mar 16 – 29 | $1,900,000 |
| Family Circle Magazine Cup | United States | Hilton Head Island | Clay (green) | Mar 30 – Apr 5 | $926,250 |
| Campionati Internazionali d’Italia [3] | Italy | Rome | Clay (red) | May 4 – 10 | $926,250 |
| German Open [4] | Germany | Berlin | Clay (red) | May 11 – 17 | $926,250 |
| du Maurier Open | Canada | Montreal | Hard | Aug 17 – 23 | $926,250 |
| European Championships | Switzerland | Zürich | Hard | Oct 12 – 18 | $926,250 |
| MGTS Kremlin Cup | Russia | Moscow | Carpet (i) | Oct 19 – 25 | $1,000,000 |
| Tournament | Singles champions | Runners-up | Score | Doubles champions | Runners-up | Score |
|---|---|---|---|---|---|---|
| Tokyo | Lindsay Davenport | Martina Hingis | 6–3, 6–3 | Martina Hingis | Lindsay Davenport  Natasha Zvereva | 7–5, 6–4 |
 Mirjana Lučić* | ||||||
| Indian Wells | Martina Hingis | Lindsay Davenport | 6–3, 6–4 | Lindsay Davenport Natasha Zvereva |  Alexandra Fusai Nathalie Tauziat | 6–4, 2–6, 6–4 |
| Miami | Venus Williams |  Anna Kournikova | 2–6, 6–4, 6–1 | Martina Hingis  Jana Novotná |  Arantxa Sánchez Vicario Natasha Zvereva | 6–2, 3–6, 6–3 |
| Hilton Head |  Amanda Coetzer |  Irina Spîrlea | 6–3, 6–4 | Conchita Martínez  Patricia Tarabini | Lisa Raymond  Rennae Stubbs | 3–6, 6–4, 6–4 |
| Rome | Martina Hingis | Venus Williams | 6–3, 2–6, 6–3 | Virginia Ruano Pascual Paola Suárez | Amanda Coetzer Arantxa Sánchez Vicario | 7–6(7–1), 6–4 |
| Berlin | Conchita Martínez | Amélie Mauresmo | 6–4, 6–4s | Lindsay Davenport Natasha Zvereva | Alexandra Fusai Nathalie Tauziat | 6–3, 6–0 |
| Montréal | Monica Seles | Arantxa Sánchez Vicario | 6–3, 6–2 | Martina Hingis Jana Novotná |  Yayuk Basuki  Caroline Vis | 6–3, 6–4 |
| Zürich | Lindsay Davenport | Venus Williams | 6–3, 6–4 | Serena Williams Venus Williams | Mariaan de Swardt  Elena Tatarkova | 5–7, 6–1, 6–3 |
| Moscow | Mary Pierce | Monica Seles | 7–6(7–2), 6–3 | Mary Pierce* | Lisa Raymond Rennae Stubbs | 6–3, 6–4 |
| Natasha Zvereva |
The WTA Tier I tournamentss are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
NThe WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA 1000 Mandatory and non-Mandatory tournaments, which are part of the WTA 1000 tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four 1000 Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five non-Mandatory tournaments: Doha, Rome, Canada, Cincinnati, Wuhan and Guadalajara, held only this year as a substitute for Wuhan and Beijing.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Dubai, Rome, Canada, Cincinnati and Tokyo.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Dubai, Rome, Canada, Cincinnati and Wuhan.