WTA and ATP rankings on - 31.12.2018
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 127. | - |
Han Na-Lae | South Korea | 545 |
| 130. | 1 |
Choi Ji-Hee | South Korea | 531 |
| 262. | 11 |
Kim Na-Ri | South Korea | 272 |
| 317. | 14 |
Lee So-Ra | South Korea | 197 |
| 449. | 4 |
Kim Dabin | South Korea | 101 |
| 499. | 49 |
Jang Su Jeong | South Korea | 78 |
| 636. | 39 |
Yu Min-Hwa | South Korea | 32 |
| 762. | 30 |
Jeong Yeong Won | South Korea | 19 |
| 762. | 96 |
Park Sang Hee | South Korea | 19 |
| 874. | 170 |
Jeong Sunam | South Korea | 10 |
| 874. | 53 |
Jung So Hee | South Korea | 10 |
| 874. | 110 |
Kim Mi-Ok | South Korea | 10 |
| 922. | 353 |
Kang Seo-Kyung | South Korea | 4 |
|1-50|
- Betting ranking
| Baez Sebastian | +900 |
| Rasim Melis | +565 |
| Chidekh Clement | +546 |
| Barsukov Nikolai | +538 |
| Gengel Marek | +536 |
| Nakanishi Seiya | -509 |
| Soeda Kanna | -411 |
| Popyrin Alexei | -400 |
| Mochizuki Shintaro | -400 |
| Morita Kosuke | -400 |
This week's tournaments
| Main tournaments | ||||
| Australian Open | 3 | |||
| Australian Open | 2 | |||
| Lower level tournaments | ||||
| Manama challenger | 6 | |||
| Quimper challenger | 8 | |||
| Concepcion challenger | 7 | |||
| San Diego challenger | 6 | |||
| Oeiras 6 challenger | 6 | |||
| Phan Thiet 2 challenger | 6 | |||
| UTR Pro Tennis Series 3 | 49 | |||
| UTR Pro Tennis Series 5 | 28 | |||
| UTR Pro Tennis Series 9 | 14 | |||
| UTR Pro Tennis Series 5 | 28 | |||
| UTR Pro Tennis Series 9 | 26 | |||
| Antalya 3 ITF | 0 | |||
| UTR Pro Match Series | 44 | |||
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