| Ameritech Cup | |
|---|---|
| Defunct tennis tournament | |
| Event name | VS of Chicago (1971–78, 1983–94) Avon Championships of Chicago (1979–82) Ameritech Cup (1995–97) |
| Tour | WTA Tour (1971–97) |
| Founded | 1971 |
| Abolished | 1997 |
| Editions | 26 |
| Surface | Clay / outdoors (1971) Carpet (i) (1973–97) |
TheAmeritech Cup (known also as theVirginia Slims of Chicago and theAvon Championships of Chicago) is a defunctWTA Tour affiliatedtennis tournament held every year from 1971 until 1997 inChicago,Illinois in the United States. Its sponsors wereVirginia Slims from 1971 to 1978 and again from 1983 to 1994,Avon from 1979 to 1982 andAmeritech from 1995 to 1997. The tournament was classified asTier III in 1988-1989,Tier I in 1990 andTier II until 1997, and was played onindoor carpet courts.
Martina Navratilova was the most successful player at the tournament, winning the singles competition 12 times and the doubles competition 7 times. Past champions also include formerNo. 1 playersChris Evert (1977),Monica Seles (1993) andLindsay Davenport (1997).