WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 108. | - |
Hsieh Su-Wei | Chinese Taipei | 746 |
| 200. | - |
Liang En Shuo | Chinese Taipei | 340 |
| 391. | 2 |
Lee Ya-Hsuan | Chinese Taipei | 148 |
| 498. | 1 |
Garland Joanna | Chinese Taipei | 94 |
| 634. | 1 |
Hsu Chieh-Yu | Chinese Taipei | 61 |
| 763. | 1 |
Lee Hua-Chen | Chinese Taipei | 39 |
| 844. | 2 |
Lee Pei-Chi | Chinese Taipei | 31 |
| 1023. | 2 |
Chang Kai-Chen | Chinese Taipei | 19 |
| 1530. | 10 |
Cho I-hsuan | Chinese Taipei | 4 |
| 1585. | 9 |
Cho Yi Tsen | Chinese Taipei | 3 |
|1-50|
- Betting ranking
| Branstine Carson | +1222 |
| Turker Mert Naci | +1127 |
| Bagnis Facundo | +1005 |
| Trungelliti Marco | +968 |
| Nardi Luca | +915 |
| Krutykh Oleksii | -1078 |
| Bonzi Benjamin | -952 |
| Kolodynska Jana | -872 |
| Added Dan | -835 |
| Lobanov Aleksandr | -822 |
This week's tournaments
| Main tournaments | ||||
| Rome | 35 | |||
| Rome WTA | 25 | |||
| Lower level tournaments | ||||
| Mauthausen challenger | 3 | |||
| Wuxi challenger | 3 | |||
| Francavilla challenger | 3 | |||
| Prague 2 challenger | 3 | |||
| Santos challenger | 3 | |||
| UTR Pro Tennis Series 5 | 2 | |||
| UTR Pro Tennis Series 8 | 1 | |||
| Luan ITF | 1 | |||
| Prague 2 ITF | 3 | |||
| Saint-Gaudens ITF | 3 | |||
| Trnava 6 ITF | 3 | |||
| Zephyrhills ITF | 3 | |||
| Bastad ITF | 1 | |||
| Platja D'Aro ITF | 1 | |||
| Sopo ITF | 2 | |||
| UTR Pro Tennis Series 5 | 9 | |||
| Antalya 18 ITF | 3 | |||
| Bucharest 2 ITF | 3 | |||
| Kursumlijska Banja 4 ITF | 2 | |||
| Monastir 35 ITF | 5 | |||
| Nova Gorica ITF | 2 | |||
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