Manhasset 1978 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ann Kiyomura Hayashi | m. | Sonoe Yonezawa | 6-4 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ann Kiyomura Hayashi | m. | Kiyoko Nomura | 6-1 6-1 |
| Sonoe Yonezawa | m. | Kayoko Fukuoka | 6-1 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ann Kiyomura Hayashi | m. | Naoko Sato | 6-4 6-0 |
| Kiyoko Nomura | m. | Patricia Bostrom | 7-5 6-3 |
| Kayoko Fukuoka | m. | Fumiko Furuhashi | 6-1 6-2 |
| Sonoe Yonezawa | m. | Nancy Weigel | 6-2 6-0 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ann Kiyomura Hayashi | m. | Kyoko Hatanaka | 6-4 7-5 |
| Naoko Sato | m. | Kym Ruddell | 7-6 6-0 |
| Patricia Bostrom | m. | C Teshima | 6-4 6-3 |
| Kiyoko Nomura | m. | Marcie Louie | 7-5 7-5 |
| Fumiko Furuhashi | m. | Kiyomi Nakagawa | 6-3 7-5 |
| Kayoko Fukuoka | m. | Helle Sparre | 6-2 6-4 |
| Nancy Weigel | m. | Pierrette Seghers | 6-2 6-2 |
| Sonoe Yonezawa | m. | Kumiko Okamoto | 6-1 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0