Tokyo 1998 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ai Sugiyama | d. | Corina Morariu | 6-3 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ai Sugiyama | d. | Shi Ting Wang | 6-3 6-2 |
| Corina Morariu | d. | Amy Frazier | 4-6 7-6 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ai Sugiyama | d. | Erika De Lone | 4-6 6-1 6-1 |
| Shi Ting Wang | d. | Lori Mcneil | 4-6 6-4 6-1 |
| Amy Frazier | d. | Nicole Pratt | 6-2 4-6 6-2 |
| Corina Morariu | d. | Naoko Sawamatsu | 7-5 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Ai Sugiyama | d. | Nana Smith | 6-3 6-2 |
| Erika De Lone | d. | Yuka Yoshida | 6-3 2-6 6-2 |
| Lori Mcneil | d. | Tamarine Tanasugarn | 6-2 6-3 |
| Shi Ting Wang | d. | Rika Hiraki | 6-3 6-2 |
| Nicole Pratt | d. | Ginger Helgeson | 6-3 6-2 |
| Amy Frazier | d. | Mana Endo | 6-0 6-1 |
| Corina Morariu | d. | Meghann Shaughnessy | 6-3 6-2 |
| Naoko Sawamatsu | d. | Haruka Inoue | 4-6 6-4 7-6 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Nana Smith | d. | Lilia Osterloh | 6-0 3-6 7-6 |
| Erika De Lone | d. | Surina De Beer | 6-4 6-4 |
| Yuka Yoshida | d. | Naoko Kijimuta | 6-1 4-6 6-1 |
| Tamarine Tanasugarn | d. | Eun Ha Kim | 4-6 7-5 6-0 |
| Lori Mcneil | d. | Mi Ra Jeon | 6-4 6-1 |
| Rika Hiraki | d. | Shiho Hisamatsu | 6-2 6-2 |
| Shi Ting Wang | d. | Shinobu Asagoe | 3-6 6-3 6-1 |
| Ginger Helgeson | d. | Miho Saeki | 7-6 6-2 |
| Nicole Pratt | d. | Saori Obata | 7-5 6-1 |
| Mana Endo | d. | Kristine Kunce | 6-7 6-4 6-1 |
| Amy Frazier | d. | Young Ja Choi | 6-4 6-2 |
| Corina Morariu | d. | Sung Hee Park | 6-4 6-2 |
| Meghann Shaughnessy | d. | Janet Lee | 3-6 6-2 6-4 |
| Haruka Inoue | d. | Seda Noorlander | 6-4 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0