The 1990 Virginia Slims of Chicago was a women's tennis tournament played on indoor carpet courts at the UIC Pavilion in Chicago, Illinois in the United States and was part of the Tier I category of the 1990 WTA Tour. It was the 19th edition of the tournament and was held from February 12 through February 18, 1990. First-seeded Martina Navratilova won the singles title, her 10th at the event and earned $100,000 first-prize money.[1][2]