WTA and ATP rankings on - 31.12.2018
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 9. | - |
Nishikori Kei | Japan | 3590 |
| 75. | - |
Nishioka Yoshihito | Japan | 701 |
| 77. | - |
Daniel Taro | Japan | 691 |
| 145. | 5 |
Sugita Yuichi | Japan | 370 |
| 148. | 6 |
Ito Tatsuma | Japan | 360 |
| 185. | 5 |
Uchiyama Yasutaka | Japan | 275 |
| 191. | 12 |
Moriya Hiroki | Japan | 268 |
| 194. | 7 |
Watanuki Yosuke | Japan | 263 |
| 214. | 18 |
Soeda Go | Japan | 231 |
| 282. | 12 |
Uchida Kaichi | Japan | 137 |
| 326. | 114 |
Takahashi Yusuke | Japan | 78 |
| 337. | 33 |
Tokuda Renta | Japan | 68 |
| 358. | 28 |
Ochi Makoto | Japan | 57 |
| 396. | 269 |
Sekiguchi Shuichi | Japan | 35 |
| 487. | 126 |
Shimizu Yuta | Japan | 13 |
| 505. | 13 |
Ehara Hiroyasu | Japan | 11 |
| 545. | 351 |
Hazawa Shinji | Japan | 7 |
| 564. | 480 |
Kibi Yuya | Japan | 6 |
| 597. | 22 |
Saito Takashi | Japan | 3 |
| 601. | 85 |
Mochizuki Yuki | Japan | 3 |
| 618. | 24 |
Yamasaki Jumpei | Japan | 3 |
| 647. | 218 |
Noguchi Rio | Japan | 1 |
| 653. | 73 |
Fukuda Sora | Japan | 1 |
| 657. | 233 |
Imai Shintaro | Japan | 1 |
|1-50|
- Betting ranking
| Branstine Carson | +1222 |
| Bouzas Maneiro Jessica | +899 |
| Trungelliti Marco | +882 |
| Popko Dmitry | +867 |
| Nardi Luca | +854 |
| Krutykh Oleksii | -962 |
| Bonzi Benjamin | -863 |
| Kolodynska Jana | -822 |
| Added Dan | -817 |
| Barroso Campos Alberto | -791 |
This week's tournaments
| Main tournaments | ||||
| Madrid | 24 | |||
| Madrid WTA | 23 | |||
| Lower level tournaments | ||||
| Savannah challenger | 5 | |||
| Shenzhen 3 challenger | 3 | |||
| Ostrava challenger | 3 | |||
| Rome 2 challenger | 3 | |||
| Concepcion challenger | 5 | |||
| UTR Pro Tennis Series 8 | 10 | |||
| Oeiras 3 ITF | 7 | |||
| Tokyo 6 ITF | 3 | |||
| Charlottesville ITF | 6 | |||
| Lopota ITF | 1 | |||
| Wuning ITF | 3 | |||
| Hammamet 6 ITF | 1 | |||
| Mosquera ITF | 1 | |||
| Nottingham 6 ITF | 2 | |||
| Santa Margherita Di Pula 5 ITF | 3 | |||
| Antalya 16 ITF | 3 | |||
| Kursumlijska Banja 2 ITF | 9 | |||
| Monastir 33 ITF | 3 | |||
| Shymkent 2 ITF | 3 | |||
| Telde 4 ITF | 2 | |||
| UTR Pro Match Series | 6 | |||
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