Tokyo Nichirei 1991 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Monica Seles | m. | Mary Joe Fernandez | 6-1 6-1 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Monica Seles | m. | Amy Frazier | 6-4 6-0 |
| Mary Joe Fernandez | m. | Katerina Maleeva | 3-6 6-1 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Monica Seles | m. | Maya Kidowaki | 6-0 6-0 |
| Amy Frazier | m. | Debbie Graham | 7-5 6-1 |
| Katerina Maleeva | m. | Laura Arraya | 6-3 3-6 6-1 |
| Mary Joe Fernandez | m. | Marianne Werdel Witmeyer | 6-2 6-3 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Monica Seles | m. | Rika Hiraki | 6-3 6-4 |
| Maya Kidowaki | m. | Carrie Cunningham | 5-7 7-6 6-1 |
| Amy Frazier | m. | Naoko Sawamatsu | 6-1 0-6 6-3 |
| Debbie Graham | m. | Mareen Louie Harper | 6-4 6-4 |
| Laura Arraya | m. | Akiko Kijimuta | 6-1 6-2 |
| Katerina Maleeva | m. | Andrea Strnadova | 6-1 6-2 |
| Marianne Werdel Witmeyer | m. | Anne Minter | 7-5 7-6 |
| Mary Joe Fernandez | m. | Patricia Hy Boulais | 6-1 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Rika Hiraki | m. | Misumi Miyauchi | 4-6 6-4 6-0 |
| Maya Kidowaki | m. | Cristina Tessi | 6-2 6-1 |
| Carrie Cunningham | m. | Kimiko Date Krumm | 2-6 6-4 7-5 |
| Naoko Sawamatsu | m. | Mana Endo | 6-3 6-1 |
| Mareen Louie Harper | m. | Linda Wild | 3-6 7-6 6-1 |
| Debbie Graham | m. | Pam Shriver | 7-5 6-4 |
| Laura Arraya | m. | Yayuk Basuki | 7-5 7-5 |
| Akiko Kijimuta | m. | Monique Javer | 6-3 2-6 6-1 |
| Andrea Strnadova | m. | Ei Iida | 6-7 6-3 6-4 |
| Marianne Werdel Witmeyer | m. | Nana Smith | 6-4 6-3 |
| Anne Minter | m. | Miki Mizokuchi | 6-2 6-3 |
| Patricia Hy Boulais | m. | Liz Smylie | 6-0 7-5 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0