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
| Hlavata Nikola | +3810 |
| Panshina Varvara | +2316 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1644 |
| Sanchez Ana Sofia | +1425 |
| Matuszewski Gabriel | -1746 |
| Campana Lee Gerard | -1702 |
| Cvijanovic Jelena | -1626 |
| Yashina Ekaterina | -1521 |
| Kis Balazs Rafael | -1494 |
This week's tournaments
| Main tournaments | ||||
| United Cup | 18 | |||
| Next Gen ATP Finals | 4 | |||
| Czech league | 4 | |||
| United Cup | 18 | |||
| Czech league | 2 | |||
| Lower level tournaments | ||||
| UTR Pro Tennis Series | 7 | |||
| UTR Pro Tennis Series 3 | 26 | |||
| UTR Pro Tennis Series 5 | 26 | |||
| UTR Pro Tennis Series 9 | 3 | |||
| New Delhi 11 ITF | 3 | |||
| Tauranga ITF | 3 | |||
| UTR Pro Tennis Series 5 | 13 | |||
| UTR Pro Tennis Series 9 | 1 | |||
| Antalya 38 ITF | 4 | |||
| Lima 14 ITF | 5 | |||
| Monastir 12 ITF | 6 | |||
| UTR Pro Match Series | 9 | |||
| UTR Pro Tennis Series | 6 | |||
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