The 1999 WTA Tour Championships, also known by its sponsored name The Chase Championships was a women's tennis tournament played on indoor carpet courts at the Madison Square Garden in New York City, New York in the United States. It was the 29th edition of the year-end singles championships, the 24th edition of the year-end doubles championships, and was part of the 1999 WTA Tour. The tournament was held from November 15 through November 21, 1999. Second-seeded Lindsay Davenport won the singles event and earned $500,000 first-prize money. The tournament discarded the best-of-five-set final which it had used since 1984 and reverted back to a best-of-three-set final.
Lindsay Davenport defeated Martina Hingis, 6–4, 6–2
- It was Davenport's 7th title of the year and the 26th of her career.
Martina Hingis / Anna Kournikova defeated Arantxa Sánchez Vicario / Larisa Neiland, 6–4, 6–4