1973 Virginia Slims of Chicago
The 1973 Virginia Slims of Chicago was a women's tennis tournament played on indoor carpet courts at the Lake Shore Racquet Club in Chicago, Illinois in the United States that was part of the 1973 Virginia Slims World Championship Series. It was the second edition of the tournament and was held from March 8 through March 11, 1973. First-seeded Margaret Court won the singles title and earned $6,500 first-prize money.
Finals
Singles
Margaret Court defeated Billie Jean King 6–2, 4–6, 6–4Doubles
Rosie Casals / Billie Jean King defeated Karen Krantzcke / Betty Stöve 6–4, 6–2Prize money
| Event | W | F | 3rd | 4th | QF | Round of 16 |
| Singles | $6,500 | $3,500 | $1,950 | $1,650 | $1,000 | $550 |