WTA and ATP rankings on - 27.12.2021
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- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 164. | - |
Escobedo Ernesto | Mexico | 422 |
| 615. | 1 |
Hernandez Serrano Juan Alejandro | Mexico | 47 |
| 618. | 1 |
Lopez Villasenor Gerardo | Mexico | 47 |
| 911. | 3 |
Patino Luis | Mexico | 16 |
| 989. | 4 |
Sanchez Manuel | Mexico | 12 |
| 1248. | 2 |
Gomez Lucas | Mexico | 6 |
| 1503. | 1 |
Rubio Fierros Alan Fernando | Mexico | 3 |
| 1624. | - |
Mayagoitia Ricardo David | Mexico | 2 |
| 1758. | 6 |
Aramburu Contreras Ivar Jose | Mexico | 2 |
| 1767. | 6 |
Arevalo Isaac Arturo | Mexico | 1 |
| 1876. | 9 |
Hank Tigre | Mexico | 1 |
| 1981. | 7 |
Lopez Luis Humberto | Mexico | 1 |
| 1981. | 7 |
Roldan Eduardo | Mexico | 1 |
| 2118. | 10 |
Batalla Diez Juan Ignacio | Mexico | 1 |
| 2153. | 45 |
Martinez Mora Esdras Wulfrano | Mexico | 1 |
|1-50|
- Betting ranking
| Rezai Aravane | +1590 |
| Laboutkova Aneta | +1374 |
| Gomez Federico Agustin | +1364 |
| Machac Tomas | +1345 |
| Blokhina Alexis | +1313 |
| Krutykh Oleksii | -1459 |
| Fruhvirtova Linda | -1447 |
| Lanca Sara | -1445 |
| Dancu Vlad Andrei | -1440 |
| Ilkel Cem | -1433 |
This week's tournaments
| Main tournaments | ||||
| Davis Cup | 4 | |||
| Lower level tournaments | ||||
| Rovereto challenger | 3 | |||
| Sao Paulo 7 challenger | 3 | |||
| Yokohama challenger | 6 | |||
| Montemar challenger | 3 | |||
| Puerto Vallarta challenger | 2 | |||
| UTR Pro Tennis Series 3 | 2 | |||
| UTR Pro Tennis Series 6 | 12 | |||
| Charleston 4 | 3 | |||
| Colina WTA | 3 | |||
| Takasaki ITF | 7 | |||
| Boca Raton 5 ITF | 2 | |||
| Caloundra ITF | 6 | |||
| Trnava 5 ITF | 3 | |||
| Lousada ITF | 3 | |||
| Santo Domingo 10 ITF | 3 | |||
| Alcala de Henares ITF | 3 | |||
| Antalya 50 ITF | 10 | |||
| Cordoba 6 ITF | 2 | |||
| Heraklion 13 ITF | 3 | |||
| Monastir 11 ITF | 3 | |||
| Sharm El Sheikh 21 ITF | 3 | |||
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