| Details | |
|---|---|
| Duration | January 31 – October 29 |
| Edition | 11th |
| Tournaments | 9 |
| Achievements (singles) | |
| Most tournament titles |  Martina Hingis (5) |
| Most tournament finals | Martina Hingis (6) |
← 1999 2001 → | |
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) | Jan 31 – Feb 6 | $1,080,000 |
| Tennis Masters Series | United States | Indian Wells | Hard | Mar 6 – 19 | $2,000,000 |
| Ericsson Open [3] | United States | Key Biscayne | Hard | Mar 20 – Apr 9 | $2,525,000 |
| Family Circle Cup | United States | Hilton Head Island | Clay (green) | Apr 17 – 23 | $1,080,000 |
| German Open [4] | Germany | Berlin | Clay | May 8 – 14 | $1,080,000 |
| Italian Open [5] | Italy | Rome | Clay | May 15 – 21 | $1,080,000 |
| du Maurier Open | Canada | Montreal | Hard | Aug 14 – 20 | $1,080,000 |
| Swisscom Challenge | Switzerland | Zürich | Carpet (i) | Oct 9 – 15 | $1,080,000 |
| Kremlin Cup | Russia | Moscow | Carpet (i) | Oct 23 – 29 | $1,080,000 |
| Tournament | Singles champions | Runners-up | Score | Doubles champions | Runners-up | Score |
|---|---|---|---|---|---|---|
| Tokyo | Martina Hingis |  Sandrine Testud | 6–3, 7–5 | Martina Hingis Mary Pierce | Alexandra Fusai Nathalie Tauziat | 6–4, 6–1 |
| Indian Wells |  Lindsay Davenport | Martina Hingis | 4–6, 6–4, 6–0 | Lindsay Davenport |  Anna Kournikova  Natasha Zvereva | 6–2, 6–3 |
| Corina Morariu* | ||||||
| Miami | Martina Hingis | Lindsay Davenport | 6–3, 6–2 | Julie Halard-Decugis  Ai Sugiyama | Nicole Arendt  Manon Bollegraf | 4–6, 7–5, 6–4 |
| Hilton Head | Mary Pierce |  Arantxa Sánchez Vicario | 6–1, 6–0 | Virginia Ruano Pascual  Paola Suárez | Conchita Martínez Patricia Tarabini | 7–5, 6–3 |
| Berlin | Conchita Martínez |  Amanda Coetzer | 6–1, 6–2 | Conchita Martínez Arantxa Sánchez Vicario | Amanda Coetzer Corina Morariu | 3–6, 6–2, 7–6(9–7) |
| Rome | Monica Seles | Amélie Mauresmo | 6–2, 7–6(7–4) | Lisa Raymond  Rennae Stubbs | Arantxa Sánchez Vicario Magüi Serna | 6–3, 4–6, 6–3 |
| Montréal | Martina Hingis | Serena Williams | 0–6, 6–3, 3–0, ret. | Martina Hingis Nathalie Tauziat | Julie Halard-Decugis Ai Sugiyama | 6–3, 3–6, 6–4 |
| Zürich | Martina Hingis | Lindsay Davenport | 6–2, 4–6, 7–5 | Martina Hingis Anna Kournikova | Kimberly Po Anne-Gaëlle Sidot | 6–3, 6–4 |
| Moscow | Martina Hingis | Anna Kournikova | 6–3, 6–1 | Julie Halard-Decugis Ai Sugiyama | Martina Hingis Anna Kournikova | 4–6, 6–4, 7–6(7–5) |
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 Wuhan.
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.