Kugayama 4 10K 1998 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Alicia Molik | m. | Bryanne Stewart | 6-4 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Alicia Molik | m. | Shiho Hisamatsu | 6-1 6-2 |
| Bryanne Stewart | m. | Akiko Gunji | 2-6 6-4 7-6 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Shiho Hisamatsu | m. | Saori Honda | 6-1 6-3 |
| Alicia Molik | m. | Yoshiko Sasano | 6-2 7-6 |
| Akiko Gunji | m. | Shelley Stephens | 2-6 6-4 6-2 |
| Bryanne Stewart | m. | Lara Van Rooyen | 4-6 6-1 6-4 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Saori Honda | m. | Madoka Kuki | 6-3 7-5 |
| Shiho Hisamatsu | m. | Hsueh Li Hsu | 6-7 6-4 6-3 |
| Alicia Molik | m. | Seiko Okamoto | 6-3 6-1 |
| Yoshiko Sasano | m. | Keiko Ishida | 6-1 3-6 3-1 RET |
| Akiko Gunji | m. | Yu An Chen | 6-0 6-0 |
| Shelley Stephens | m. | Maiko Inoue | 6-4 6-2 |
| Bryanne Stewart | m. | Chie Nagano | 6-1 6-3 |
| Lara Van Rooyen | m. | Keiko Nagatomi | 6-3 RET |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Madoka Kuki | m. | Aurandrea Narvaez | 6-2 6-4 |
| Saori Honda | m. | Patty Murren | 6-4 6-4 |
| Hsueh Li Hsu | m. | Chisayo Ito | 6-1 6-3 |
| Shiho Hisamatsu | m. | Riei Kawamata | 7-6 6-3 |
| Alicia Molik | m. | Tzu Ting Weng | 6-2 6-3 |
| Seiko Okamoto | m. | Chiaki Nakajima | 6-4 3-6 6-3 |
| Yoshiko Sasano | m. | Ka Po Tong | 6-2 6-4 |
| Keiko Ishida | m. | Rurika Maruse | 6-2 6-2 |
| Yu An Chen | m. | Sachie Umehara | 6-2 7-5 |
| Akiko Gunji | m. | Yumiko Kitamura | 6-4 6-1 |
| Shelley Stephens | m. | Motoe Uchida | 4-6 7-5 6-4 |
| Maiko Inoue | m. | Kiyoko Yazawa | 6-1 6-4 |
| Bryanne Stewart | m. | Satomi Kinjo | 6-3 6-2 |
| Chie Nagano | m. | Naoko Ishikawa | 6-2 7-6 |
| Lara Van Rooyen | m. | Ayami Takase | 1-6 6-4 6-2 |
| Keiko Nagatomi | m. | Keiko Taguchi | 6-4 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0