WTA and ATP rankings on - 07.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 161. | 34 |
Suzuki Takao | Japan | 402 |
| 186. | 1 |
Motomura Gouichi | Japan | 357 |
| 198. | 9 |
Shimada Thomas | Japan | 332 |
| 252. | 24 |
Takada Mitsuru | Japan | 233 |
| 305. | 24 |
Iwabuchi Satoshi | Japan | 179 |
| 325. | 25 |
Matsushita Akira | Japan | 163 |
| 392. | 40 |
Chaen Tetsuya | Japan | 0 |
| 403. | 4 |
Tsujino Ryuso | Japan | 111 |
| 424. | 25 |
Ishii Hiroki | Japan | 100 |
| 430. | 60 |
Sato Hiroyasu | Japan | 99 |
| 450. | 61 |
Iwami Tasuku | Japan | 0 |
| 504. | 138 |
Ishii Yaoki | Japan | 0 |
| 531. | 67 |
Sugai Alex | Japan | 63 |
| 593. | 6 |
Masuda Kentaro | Japan | 53 |
| 613. | 3 |
Sugiyama Norikazu | Japan | 48 |
| 709. | 88 |
Onoda Michihisa | Japan | 35 |
| 758. | 7 |
Terachi Takahiro | Japan | 30 |
| 768. | 109 |
Kaneko Hideki | Japan | 29 |
| 825. | 85 |
Kato Jun | Japan | 24 |
| 857. | 15 |
Yamamoto Yasufumi | Japan | 21 |
| 892. | 11 |
Fujiwara Kenji | Japan | 19 |
| 899. | 20 |
Komada Masafumi | Japan | 18 |
| 1096. | 3 |
Fukuda Katsushi | Japan | 9 |
| 1178. | 7 |
Tokumaru Masashi | Japan | 7 |
| 1178. | 7 |
Uehara Shingo | Japan | 7 |
| 1243. | 21 |
Kato Toshiharu | Japan | 5 |
| 1250. | 22 |
Motomura Koji | Japan | 4 |
| 1250. | 22 |
Tachibana Kiyotaka | Japan | 4 |
| 1271. | 14 |
Ishigami Riki | Japan | 3 |
| 1277. | 23 |
Harada Natsuki | Japan | 3 |
| 1306. | - |
Goto Kensuke | Japan | 2 |
| 1385. | - |
Furukawa Hayato | Japan | 1 |
| 1385. | 7 |
Goto Mitsuhiro | Japan | 1 |
| 1385. | 7 |
Kikusui Takato | Japan | 1 |
| 1385. | 7 |
Kondo Hiroki | Japan | 1 |
| 1385. | 7 |
Matsui Toshihide | Japan | 1 |
| 1385. | 7 |
Matsuoka Shuzo | Japan | 1 |
| 1385. | 7 |
Miyazaki Masatoshi | Japan | 1 |
| 1385. | 7 |
Nakase Yasutomo | Japan | 1 |
| 1385. | 7 |
Taguchi Ryota | Japan | 1 |
| 1385. | 7 |
Takahashi Toru | Japan | 1 |
| 1385. | - |
Tsuji Yohei | Japan | 1 |
|1-50|
- 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 | 8 | |||
| Jiujiang 2 | 7 | |||
| Indian Harbour Beach ITF | 16 | |||
| Saint-Gaudens ITF | 15 | |||
| Lopota 2 ITF | 14 | |||
| Boca Raton 6 ITF | 17 | |||
| Changwon ITF | 12 | |||
| Fukuoka ITF | 12 | |||
| Monastir 34 ITF | 11 | |||
| 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 | 12 | |||
| 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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