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
| Adkar Vaishnavi | +1130 |
| Gallego Juan Ignacio | +985 |
| De Stefano Samira | +913 |
| Oliver Sanchez Maria | +850 |
| Frey Anna | +816 |
| Otegui Juan Bautista | -1074 |
| Kuparev Anastasiya | -911 |
| Michalik Radovan | -895 |
| Svatikova Laura | -826 |
| Hoste Ferrer Claudia | -813 |
This week's tournaments
| Main tournaments | ||||
| Rome | 31 | |||
| Rome WTA | 30 | |||
| Lower level tournaments | ||||
| Wuxi challenger | 9 | |||
| Francavilla challenger | 9 | |||
| Santos challenger | 17 | |||
| UTR Pro Tennis Series | 16 | |||
| UTR Pro Tennis Series 3 | 24 | |||
| UTR Pro Tennis Series 5 | 7 | |||
| UTR Pro Tennis Series 9 | 7 | |||
| Istanbul 2 WTA | 9 | |||
| Jiujiang 2 | 7 | |||
| Indian Harbour Beach ITF | 16 | |||
| Saint-Gaudens ITF | 15 | |||
| Lopota 2 ITF | 14 | |||
| Boca Raton 6 ITF | 18 | |||
| Changwon ITF | 12 | |||
| Fukuoka ITF | 12 | |||
| Monastir 34 ITF | 12 | |||
| Nottingham 7 ITF | 11 | |||
| Platja D'Aro ITF | 12 | |||
| Santa Margherita Di Pula 6 ITF | 12 | |||
| Tumkur ITF | 12 | |||
| UTR Pro Tennis Series 5 | 16 | |||
| Belgrade ITF | 13 | |||
| Hurghada 4 ITF | 16 | |||
| Kalmar ITF | 12 | |||
| Mbombela 2 ITF | 13 | |||
| Nakhon Pathom 2 ITF | 12 | |||
| Reichstett ITF | 10 | |||
| UTR Pro Match Series | 21 | |||
| UTR Pro Tennis Series | 16 | |||
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