Chicago 1980 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Martina Navratilova | d. | Chris Evert | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Martina Navratilova | d. | Billie Jean King | 7-6 3-6 6-1 |
| Chris Evert | d. | Wendy Turnbull | 6-0 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Martina Navratilova | d. | Greer Stevens | 6-4 6-3 |
| Billie Jean King | d. | Dianne Fromholtz | 4-6 6-4 7-6 |
| Wendy Turnbull | d. | Sylvia Hanika | 7-6 3-6 6-1 |
| Chris Evert | d. | Kathy Jordan | 7-5 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Martina Navratilova | d. | Tanya Harford | 6-2 6-0 |
| Greer Stevens | d. | Laura Dupont | 4-6 6-2 6-3 |
| Billie Jean King | d. | Renee Richards | 6-0 7-5 |
| Dianne Fromholtz | d. | Mary Lou Piatek | 6-2 6-1 |
| Wendy Turnbull | d. | Mima Jausovec | 6-4 6-4 |
| Sylvia Hanika | d. | Evonne Goolagong | 6-4 6-7 6-4 |
| Kathy Jordan | d. | Andrea Jaeger | 6-2 6-1 |
| Chris Evert | d. | Bettina Bunge | 6-2 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Martina Navratilova | d. | Terry Holladay | 6-1 6-1 |
| Tanya Harford | d. | Kate Latham | 6-3 2-6 6-3 |
| Laura Dupont | d. | Betsy Nagelsen | 7-6 2-6 6-3 |
| Greer Stevens | d. | Jane Jarosz | 6-0 6-2 |
| Billie Jean King | d. | Caroline Stoll | 6-1 7-5 |
| Renee Richards | d. | Lucia Romanov | 6-0 6-1 |
| Mary Lou Piatek | d. | Jo Durie | 6-3 6-2 |
| Dianne Fromholtz | d. | Rosie Casals | 7-6 6-4 |
| Wendy Turnbull | d. | Ivanna Madruga | 6-0 7-5 |
| Mima Jausovec | d. | Barbara Jordan | 6-3 6-2 |
| Sylvia Hanika | d. | Betty Stove | 6-1 5-7 6-3 |
| Evonne Goolagong | d. | Stacy Margolin | 6-1 6-1 |
| Kathy Jordan | d. | Barbara Potter | 6-3 6-3 |
| Andrea Jaeger | d. | Kathy May | 6-3 6-3 |
| Bettina Bunge | d. | Regina Marsikova | 6-1 6-3 |
| Chris Evert | d. | Betty Ann Grubb | 6-2 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0