The 1999 Newsweek Champions Cup and the Evert Cup were tennis tournaments played on outdoor hard courts. It was the 26th edition of the Indian Wells Masters and was part of the Super 9 of the 1999 ATP Tour and of Tier I of the 1999 WTA Tour. Both the men's and women's tournaments took place at the Grand Champions Resort in Indian Wells, California in the United States from March 5 through March 14, 1999.
Finals
Men's singles
Mark Philippoussis defeated Carlos Moyá, 5–7, 6–4, 6–4, 4–6, 6–2
It was Philippoussis' 2nd title of the year and the 10th of his career. It was his 1st Super 9 title.
Women's singles
Serena Williams defeated Steffi Graf, 6–3, 3–6, 7–5
It was Williams' 3rd title of the year and the 7th of her career. It was her 1st Tier I title.
Men's doubles
Wayne Black / Sandon Stolle defeated Ellis Ferreira / Rick Leach, 7–6(7–4), 6–3
Women's doubles
Martina Hingis / Anna Kournikova defeated Mary Joe Fernández / Jana Novotná, 6–2, 6–2
WTA entrants
Seeds
Other entrants
The following players received wildcards into the singles main draw: Alexandra Stevenson Mary Joe Fernández Olga Barabanschikova Lilia Osterloh
The following players received wildcards into the doubles main draw: Olga Barabanschikova / Magüi Serna Steffi Graf / Anke Huber
The following players received entry from the singles qualifying draw: Alicia Molik Brie Rippner Barbara Rittner Tatiana Panova Miho Saeki María Sánchez Lorenzo Andrea Glass Jessica Steck
The following players received entry from the doubles qualifying draw: Kristie Boogert / Anne-Gaëlle Sidot