| 2001 WTA Tier I Series | |
| Duration: | January 29 – October 21 |
| Edition: | 12th |
| Tournaments: | 9 |
| Most Tournament Titles: | Lindsay Davenport Jelena Dokić Serena Williams (2) |
| Most Tournament Finals: | Jennifer Capriati (4) |
| Previous: | 2000 |
| Next: | 2002 |
See main article: article and 2001 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.[1]
| Tournament | Country | Location | Surface | Date | Prize money[2] | |
|---|---|---|---|---|---|---|
| Toray Pan Pacific Open | Japan | Tokyo | Carpet (i) | Jan 29 – Feb 4 | $1,188,000 | |
| Pacific Life Open | United States | Indian Wells | Hard | Mar 5 – 18 | $2,000,000 | |
| Ericsson Open | United States | Key Biscayne | Hard | Mar 19 – Apr 1 | $2,720,000 | |
| Family Circle Cup | United States | Charleston | Clay (green) | Apr 16 – 22 | $1,200,000 | |
| Eurocard German Open[3] | Germany | Berlin | Clay | May 7 – 13 | $1,185,000 | |
| Italian Open[4] | Italy | Rome | Clay | May 14 – 20 | $1,200,000 | |
| Rogers AT&T Cup | Canada | Toronto | Hard | Aug 13 – 19 | $1,200,000 | |
| Kremlin Cup | Russia | Moscow | Carpet (i) | Oct 1 – 7 | $1,185,000 | |
| Swisscom Challenge[5] | Switzerland | Zürich | Carpet (i) | Oct 15 – 21 | $1,185,000 |