WTA and ATP rankings on - 31.12.2018
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 8. | - |
Ito Tatsuma | Japan | 80 |
| 21. | 7 |
Watanuki Yosuke | Japan | 48 |
| 41. | 27 |
Nishioka Yoshihito | Japan | 29 |
| 41. | 27 |
Uchiyama Yasutaka | Japan | 29 |
| 69. | 72 |
Moriya Hiroki | Japan | 15 |
| 69. | 72 |
Soeda Go | Japan | 15 |
| 121. | 176 |
Shimizu Yuta | Japan | 7 |
| 121. | 148 |
Uchida Kaichi | Japan | 7 |
|1-50|
- Betting ranking
| Panshina Varvara | +2421 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1790 |
| Moyano Luciana | +1523 |
| Mdlulwa Wozuko | +1474 |
| Seyboth Wild Thiago | -1480 |
| Matuszewski Gabriel | -1466 |
| Kis Balazs Rafael | -1394 |
| Yashina Ekaterina | -1383 |
| Kirchheimer Strong | -1367 |
This week's tournaments
| Main tournaments | ||||
| Paris | 8 | |||
| Masters Cup WTA | 24 | |||
| Chennai WTA | 5 | |||
| Hong Kong WTA | 2 | |||
| Jiujiang | 3 | |||
| Lower level tournaments | ||||
| Bratislava challenger | 5 | |||
| Seoul challenger | 3 | |||
| Charlottesville challenger | 6 | |||
| Lima challenger | 6 | |||
| Monastir challenger | 3 | |||
| UTR Pro Tennis Series 3 | 231 | |||
| UTR Pro Tennis Series 5 | 51 | |||
| Cali | 4 | |||
| Irapuato ITF | 8 | |||
| Glasgow 2 ITF | 4 | |||
| Toronto ITF | 6 | |||
| Brisbane 4 ITF | 3 | |||
| Istanbul ITF | 2 | |||
| Loule ITF | 5 | |||
| Makinohara ITF | 3 | |||
| Neuquén ITF | 7 | |||
| Villeneuve d'Ascq ITF | 5 | |||
| UTR Pro Tennis Series 5 | 31 | |||
| Bol 15 ITF | 2 | |||
| Malta ITF | 3 | |||
| Monastir 5 ITF | 2 | |||
| Sharm El Sheikh 19 ITF | 2 | |||
| Solarino 3 ITF | 3 | |||
| Sumter 2 ITF | 6 | |||
| Taby ITF | 2 | |||
| Tashkent 4 ITF | 3 | |||
| UTR Pro Match Series | 112 | |||
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