WTA and ATP rankings on - 31.12.2018
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 18. | - |
McLachlan Ben | Japan | 3300 |
| 156. | 8 |
Matsui Toshihide | Japan | 453 |
| 180. | 17 |
Uchiyama Yasutaka | Japan | 359 |
| 307. | 107 |
Soeda Go | Japan | 125 |
| 338. | 125 |
Nishioka Yoshihito | Japan | 105 |
| 375. | 190 |
Watanuki Yosuke | Japan | 78 |
| 395. | 243 |
Moriya Hiroki | Japan | 65 |
| 398. | 242 |
Ito Tatsuma | Japan | 64 |
| 402. | 35 |
Uesugi Kaito | Japan | 62 |
| 430. | 137 |
Imai Shintaro | Japan | 49 |
| 436. | 131 |
Niki Takuto | Japan | 48 |
| 441. | 196 |
Tokuda Renta | Japan | 47 |
| 458. | 334 |
Daniel Taro | Japan | 45 |
| 465. | 154 |
Ochi Makoto | Japan | 44 |
| 498. | 417 |
Takahashi Yusuke | Japan | 33 |
| 517. | 341 |
Uchida Kaichi | Japan | 30 |
| 524. | 271 |
Kibi Yuya | Japan | 29 |
| 555. | 114 |
Ehara Hiroyasu | Japan | 21 |
| 566. | 193 |
Shimizu Yuta | Japan | 19 |
| 624. | 98 |
Hazawa Shinji | Japan | 15 |
| 724. | 190 |
Oku Hiromasa | Japan | 3 |
| 756. | 103 |
Fukuda Sora | Japan | 3 |
| 793. | 279 |
Inui Yuichiro | Japan | 1 |
| 793. | 420 |
Kono Yuhei | Japan | 1 |
| 793. | 117 |
Sakai Yuto | Japan | 1 |
| 793. | 420 |
Trotter James | Japan | 1 |
| 848. | 152 |
Noguchi Rio | Japan | 1 |
| 877. | 83 |
Okamura Issei | Japan | 1 |
| 877. | 75 |
Takeuchi Kento | 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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