Tokyo Japan Open 1980 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Lena Sandin | d. | Helga Masthoff | 3-6 7-6 7-6 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Lena Sandin | d. | Marianne Van Der Torre | 6-2 6-0 |
| Helga Masthoff | d. | Iris Riedel Kuhn | 4-6 7-6 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Lena Sandin | d. | Elly Appel | 6-1 6-3 |
| Marianne Van Der Torre | d. | Claudia Kohde Kilsch | 6-1 6-2 |
| Iris Riedel Kuhn | d. | Lynn Epstein | 1-6 6-1 6-3 |
| Helga Masthoff | d. | Keryn Pratt | 6-1 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Lena Sandin | d. | Jodi Appelbaum | 6-0 6-3 |
| Elly Appel | d. | Katja Ebbinghaus | 6-3 4-6 6-4 |
| Marianne Van Der Torre | d. | Katrin Pohmann | 6-3 6-3 |
| Claudia Kohde Kilsch | d. | Eva Pfaff | 4-6 7-6 6-3 |
| Iris Riedel Kuhn | d. | Karin Moos | 6-1 6-4 |
| Lynn Epstein | d. | Karen Gulley | 6-1 6-7 6-4 |
| Keryn Pratt | d. | Brenda Catton | 6-4 4-6 6-2 |
| Helga Masthoff | d. | Glaucia Langela | 6-4 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Lena Sandin | d. | Irene Schultz | 6-2 6-4 |
| Jodi Appelbaum | d. | Elke Renz | 6-1 6-4 |
| Katja Ebbinghaus | d. | Cornelia Dries | 6-1 6-4 |
| Elly Appel | d. | Andrea Pesak | 7-6 6-1 |
| Marianne Van Der Torre | d. | Dominique Beillan | 6-3 6-3 |
| Katrin Pohmann | d. | Gabriela Dinu | 3-6 6-4 6-4 |
| Eva Pfaff | d. | Amreeta Ahluwalia | 6-4 0-6 7-5 |
| Claudia Kohde Kilsch | d. | Helga Lutten | 6-1 6-0 |
| Iris Riedel Kuhn | d. | Jeske Van Erven | 6-4 6-2 |
| Karin Moos | d. | Brenda Perry | 2-6 6-4 6-3 |
| Lynn Epstein | d. | Debbie Stewart | 6-0 6-3 |
| Karen Gulley | d. | Carmen Perea Alcala | 6-1 6-0 |
| Keryn Pratt | d. | D Loleit | 6-4 6-1 |
| Brenda Catton | d. | Susanne Boesser | 4-6 6-3 6-0 |
| Glaucia Langela | d. | Cecilia Lopez Arnold | 6-3 6-0 |
| Helga Masthoff | d. | Marie Pinterova | 6-3 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0