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
| Adkar Vaishnavi | +1230 |
| Baez Sebastian | +980 |
| Mair Laura | +899 |
| Abanda Francoise | +846 |
| Jurna Elizabeth | +829 |
| Nakanishi Seiya | -756 |
| Fekete Janos | -648 |
| Bakker Sam | -600 |
| Lazarevic Andjela | -600 |
| Mochizuki Shintaro | -595 |
This week's tournaments
| Main tournaments | ||||
| Miami | 24 | |||
| Miami | 44 | |||
| Lower level tournaments | ||||
| Asuncion challenger | 25 | |||
| Morelos challenger | 24 | |||
| Murcia challenger | 25 | |||
| Zadar challenger | 24 | |||
| UTR Pro Tennis Series 3 | 26 | |||
| UTR Pro Tennis Series 5 | 3 | |||
| UTR Pro Tennis Series 9 | 3 | |||
| Kofu ITF | 24 | |||
| Maribor ITF | 8 | |||
| Chihuahua 2 ITF | 8 | |||
| Maanshan 3 ITF | 25 | |||
| Monastir 26 ITF | 1 | |||
| Sabadell ITF | 16 | |||
| San Gregorio ITF | 16 | |||
| UTR Pro Tennis Series 5 | 8 | |||
| UTR Pro Tennis Series 9 | 7 | |||
| Le Havre ITF | 8 | |||
| Monastir 27 ITF | 16 | |||
| Santiago 6 ITF | 16 | |||
| Sharm El Sheikh 8 ITF | 16 | |||
| Wodonga ITF | 29 | |||
| UTR Pro Match Series | 33 | |||
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