WTA and ATP rankings on - 27.12.2021
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- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 217. | 2 |
Chong Eudice | Hong Kong | 435 |
| 610. | 1 |
Ng Kwan Yau | Hong Kong | 94 |
| 765. | 33 |
Wong Hong Yi Cody | Hong Kong | 57 |
| 847. | 67 |
Ng Man Ying Maggie | Hong Kong | 45 |
| 975. | 1 |
Wu Ho Ching | Hong Kong | 31 |
| 1205. | 4 |
Karunaratne Adithya | Hong Kong | 18 |
| 1723. | 4 |
Ki Yan-Tung | Hong Kong | 3 |
| 1723. | 4 |
Lam Wing Kiu Jacqueline | Hong Kong | 3 |
|1-50|
- Betting ranking
| Baez Sebastian | +900 |
| Rasim Melis | +565 |
| Chidekh Clement | +546 |
| Gengel Marek | +536 |
| Kotliar Yelyzaveta | +529 |
| Nakanishi Seiya | -509 |
| Atia Mariam | -500 |
| Falck Reece | -498 |
| Soeda Kanna | -411 |
| Popyrin Alexei | -400 |
This week's tournaments
| Main tournaments | ||||
| Australian Open | 1 | |||
| Davis Cup | 39 | |||
| Abu Dhabi WTA | 9 | |||
| Cluj-Napoca 2 WTA | 27 | |||
| Ostrava 2 WTA | 15 | |||
| Lower level tournaments | ||||
| Manama challenger | 2 | |||
| Quimper challenger | 4 | |||
| Concepcion challenger | 4 | |||
| San Diego challenger | 3 | |||
| Brisbane challenger | 30 | |||
| Oeiras 6 challenger | 3 | |||
| Phan Thiet 2 challenger | 1 | |||
| UTR Pro Tennis Series 3 | 51 | |||
| UTR Pro Tennis Series 5 | 31 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Mumbai WTA | 4 | |||
| San Diego 5 ITF | 3 | |||
| Porto 4 ITF | 3 | |||
| Vero Beach ITF | 3 | |||
| Monastir 20 ITF | 2 | |||
| Birmingham ITF | 1 | |||
| UTR Pro Tennis Series 5 | 32 | |||
| UTR Pro Tennis Series 9 | 20 | |||
| Antalya 4 ITF | 5 | |||
| Sharm El Sheikh ITF | 2 | |||
| UTR Pro Match Series | 34 | |||
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