WTA and ATP rankings on - 17.09.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 17. | - |
Sugiyama Ai | Japan | 1632 |
| 29. | - |
Sawamatsu Naoko | Japan | 776 |
| 79. | - |
Saeki Miho | Japan | 349 |
| 87. | - |
Smith Nana | Japan | 313 |
| 99. | - |
Yoshida Yuka | Japan | 270 |
| 108. | - |
Inoue Haruka | Japan | 250 |
| 127. | - |
Asagoe Shinobu | Japan | 196 |
| 147. | - |
Hiraki Rika | Japan | 163 |
| 188. | - |
Endo Mana | Japan | 108 |
| 200. | - |
Obata Saori | Japan | 98 |
| 211. | - |
Miyauchi Misumi | Japan | 90 |
| 230. | - |
Nagatsuka Kyoko | Japan | 79 |
| 240. | - |
Hotta Tomoe | Japan | 75 |
| 292. | - |
Kijimuta Naoko | Japan | 56 |
| 299. | - |
Nagatomi Keiko | Japan | 53 |
| 326. | - |
Shibata Kaoru | Japan | 47 |
| 337. | - |
Takuma Kazue | Japan | 44 |
| 346. | - |
Morigami Akiko | Japan | 41 |
| 350. | - |
Mochizuki Hiroko | Japan | 40 |
| 362. | - |
Inoue Maiko | Japan | 37 |
| 367. | - |
Takemura Ryoko | Japan | 35 |
| 371. | - |
Ishida Keiko | Japan | 35 |
| 375. | - |
Hisamatsu Shiho | Japan | 34 |
| 407. | - |
Yamagishi Yoriko | Japan | 28 |
| 411. | - |
Umehara Sachie | Japan | 27 |
| 435. | - |
Urabe Nami | Japan | 25 |
| 491. | - |
Ataka Miyako | Japan | 20 |
| 494. | - |
Kuki Madoka | Japan | 20 |
| 495. | - |
Yazawa Kiyoko | Japan | 20 |
| 502. | - |
Kitamura Yumiko | Japan | 20 |
| 511. | - |
Honda Saori | Japan | 19 |
| 517. | - |
Gunji Akiko | Japan | 18 |
| 519. | - |
Taguchi Keiko | Japan | 18 |
| 526. | - |
Sasano Yoshiko | Japan | 18 |
| 532. | - |
Okamoto Seiko | Japan | 17 |
| 569. | - |
Kawamata Riei | Japan | 14 |
| 570. | - |
Takase Ayami | Japan | 14 |
| 602. | - |
Maruse Rurika | Japan | 12 |
| 655. | - |
Tameishi Keiko | Japan | 9 |
| 734. | - |
Fujii Yuki | Japan | 6 |
| 762. | - |
Kinjo Satomi | Japan | 6 |
| 799. | - |
Kinebuchi Akiko | Japan | 5 |
| 833. | - |
Kurioka Satoko | Japan | 4 |
| 834. | - |
Nagano Chie | Japan | 4 |
| 836. | - |
Tsuda Asami | Japan | 4 |
| 851. | - |
Akahori Nao | Japan | 4 |
| 887. | - |
Yokoi Yumi | Japan | 3 |
| 906. | - |
Aoyama Kaori | Japan | 3 |
| 910. | - |
Uchida Matoe | Japan | 3 |
| 927. | - |
Katsumi Shizu | Japan | 3 |
- Betting ranking
| Baez Sebastian | +900 |
| Gea Arthur | +572 |
| Chidekh Clement | +546 |
| Kotliar Yelyzaveta | +529 |
| Jurna Elizabeth | +526 |
| Falck Reece | -438 |
| Penalver Aguilo Maria | -380 |
| Trush Yelizaveta | -362 |
| Trainauskas Justas | -350 |
| Harajda Ema | -350 |
This week's tournaments
| Main tournaments | ||||
| Australian Open | 32 | |||
| Australian Open | 33 | |||
| Lower level tournaments | ||||
| Oeiras 5 challenger | 10 | |||
| Itajai challenger | 10 | |||
| Soma Bay challenger | 10 | |||
| Phan Thiet challenger | 9 | |||
| UTR Pro Tennis Series 3 | 68 | |||
| UTR Pro Tennis Series 5 | 34 | |||
| UTR Pro Tennis Series 9 | 4 | |||
| Leszno ITF | 12 | |||
| Manama ITF | 8 | |||
| Monastir 19 ITF | 24 | |||
| Buenos Aires 2 ITF | 12 | |||
| Petit Bourge ITF | 12 | |||
| Weston ITF | 12 | |||
| UTR Pro Tennis Series 5 | 40 | |||
| UTR Pro Tennis Series 9 | 25 | |||
| Antalya 3 ITF | 13 | |||
| UTR Pro Match Series | 31 | |||
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