WTA and ATP rankings on - 31.12.2018
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 9. | - |
Bertens Kiki | Netherlands | 4335 |
| 118. | - |
Rus Arantxa | Netherlands | 494 |
| 167. | 2 |
Hogenkamp Richel | Netherlands | 353 |
| 174. | 4 |
Schoofs Bibiane | Netherlands | 329 |
| 195. | 1 |
Pattinama Kerkhove Lesley | Netherlands | 301 |
| 226. | 1 |
Lemoine Quirine | Netherlands | 258 |
| 329. | 3 |
Burger Cindy | Netherlands | 126 |
| 514. | 15 |
Krajicek Michaella | Netherlands | 43 |
| 760. | 243 |
Van Der Hoek Rosalie | Netherlands | 9 |
| 762. | 128 |
Hoedt Merel | Netherlands | 9 |
| 776. | 183 |
Liauw A Fong Noa | Netherlands | 8 |
|1-50|
- Betting ranking
| Adkar Vaishnavi | +1238 |
| Baez Sebastian | +880 |
| Jurna Elizabeth | +829 |
| Frey Anna | +816 |
| Mair Laura | +799 |
| Nakanishi Seiya | -756 |
| Mochizuki Shintaro | -738 |
| Fekete Janos | -703 |
| Krall Liam | -676 |
| Alexandrova Ekaterina | -624 |
This week's tournaments
| Main tournaments | ||||
| Miami | 6 | |||
| Miami | 4 | |||
| Lower level tournaments | ||||
| Morelia challenger | 8 | |||
| Neapol challenger | 10 | |||
| Sao Paulo 2 challenger | 10 | |||
| Alicante challenger | 10 | |||
| Bucaramanga challenger | 8 | |||
| Yokkaichi challenger | 8 | |||
| Split challenger | 10 | |||
| UTR Pro Tennis Series 3 | 31 | |||
| UTR Pro Tennis Series 5 | 40 | |||
| Dubrovník | 7 | |||
| Murska Sobota ITF | 11 | |||
| Croissy-Beaubourg ITF | 8 | |||
| Maanshan 4 ITF | 6 | |||
| Junin ITF | 8 | |||
| San Gregorio 2 ITF | 12 | |||
| UTR Pro Tennis Series 5 | 17 | |||
| Monastir 28 ITF | 11 | |||
| Nagpur ITF | 6 | |||
| Santiago 7 ITF | 7 | |||
| Sharm El Sheikh 9 ITF | 8 | |||
| Swan Hill ITF | 8 | |||
| UTR Pro Match Series | 18 | |||
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