1989 Virginia Slims of Arizona

The 1989 Virginia Slims of Arizona was a women's tennis tournament played on outdoor hard courts in Phoenix, Arizona in the United States and was part of the Category 2 tier of the 1989 WTA Tour. It was the fourth edition of the tournament and was held from September 12 through September 18, 1989. First-seeded Conchita Martínez won the singles title and earned $17,000 first-prize money.

Singles
🇪🇸 Conchita Martínez defeated 🇺🇸 Elise Burgin 3–6, 6–4, 6–2
 * It was Martínez' 3rd singles of the year and the 4th of her career.

Doubles
🇺🇸 Penny Barg / 🇺🇸 Peanut Louie Harper defeated 🇺🇸 Elise Burgin / Rosalyn Fairbank 7–6(16–14), 7–6(7–3)