WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 2080. | 8 |
Kobelt Peter | USA | 3 |
| 2100. | 8 |
Knight Alexander | USA | 3 |
| 2108. | 8 |
Al Allaf Kareem | USA | 3 |
| 2108. | 8 |
Murillo Sebastian | USA | 3 |
| 2119. | 9 |
Berg Conor | USA | 3 |
| 2147. | 8 |
Hovhannisyan Mousheg | USA | 3 |
| 2154. | 8 |
Johnson Janmagnus | USA | 3 |
| 2161. | 8 |
Jones Alex | USA | 3 |
| 2161. | 8 |
Jones Miles | USA | 3 |
| 2166. | 9 |
Smith Errol | USA | 3 |
| 2188. | 8 |
Campbell Jarreau | USA | 2 |
| 2188. | 8 |
Hiddleson Daniel | USA | 2 |
| 2188. | 8 |
Joyce Martin | USA | 2 |
| 2188. | 8 |
Kobelt Alex | USA | 2 |
| 2188. | 8 |
Mei Mesa | USA | 2 |
| 2188. | 8 |
Rollins Pierce | USA | 2 |
| 2188. | 8 |
Schneider Ronnie | USA | 2 |
| 2188. | 8 |
Tapia Jacob | USA | 2 |
| 2188. | - |
Toman Patrick | USA | 2 |
| 2188. | 8 |
Wood Warren | USA | 2 |
| 2288. | 9 |
Alhaqbani Ammar | USA | 2 |
| 2288. | 9 |
Amiri Ali | USA | 2 |
| 2288. | 9 |
Amiri Farzin Danny | USA | 2 |
| 2288. | 9 |
Bhangdia Jake | USA | 2 |
| 2288. | 9 |
Nicosia Mario | USA | 2 |
| 2355. | 10 |
Anthrop Jack | USA | 2 |
| 2355. | 10 |
Kypson Patrick | USA | 2 |
| 2355. | 10 |
Ravichander Ishaan | USA | 2 |
| 2355. | 10 |
Richards Alexander | USA | 2 |
| 2355. | 10 |
Zheng Michael | USA | 2 |
| 2406. | 8 |
Giddens Maxwell | USA | 2 |
| 2456. | 10 |
Shamma Nicholas | USA | 2 |
| 2517. | 8 |
Bruce Connor | USA | 1 |
| 2517. | 8 |
Draheim Brady | USA | 1 |
| 2517. | 8 |
Hanzlik Cash | USA | 1 |
| 2517. | 8 |
Jackson Ryder | USA | 1 |
| 2517. | 8 |
Lewis Edward | USA | 1 |
| 2517. | 8 |
McDaniel Marcus | USA | 1 |
| 2517. | 8 |
Papac Nick | USA | 1 |
| 2517. | 8 |
Poling Karl | USA | 1 |
| 2517. | 8 |
Rodriguez Matthew | USA | 1 |
| 2517. | 8 |
Shymansky Robby | USA | 1 |
| 2517. | 8 |
Solomon Yuval | USA | 1 |
| 2579. | 8 |
Force Charles | USA | 1 |
| 2579. | 8 |
Hiltzik Aron | USA | 1 |
| 2579. | 8 |
Lampasas Ciro | USA | 1 |
| 2613. | 8 |
Gomes Gui | USA | 1 |
| 2613. | 8 |
Hilderbrand Trey | USA | 1 |
| 2613. | 8 |
Ross Jesse | USA | 1 |
| 2633. | 9 |
Cossu Milledge | USA | 1 |
- Betting ranking
| Cerundolo Juan Manuel | +1472 |
| Obradovic Andrea | +1374 |
| De Stefano Samira | +1224 |
| Guerrieri Andrea | +1211 |
| Mashtakov Mykyta | +1202 |
| Michalik Radovan | -1620 |
| Radivojevic Lola | -1510 |
| Svatikova Laura | -1490 |
| Uchida Kaichi | -1478 |
| Malige Mae | -1404 |
This week's tournaments
| Main tournaments | ||||
| Vienna | 25 | |||
| Basel | 22 | |||
| Almaty | 2 | |||
| Lyon | 2 | |||
| Brussels | 2 | |||
| Ningbo WTA | 2 | |||
| Tokyo | 19 | |||
| Guangzhou | 25 | |||
| Osaka WTA | 1 | |||
| Lower level tournaments | ||||
| Seoul challenger | 30 | |||
| Sioux Falls challenger | 8 | |||
| Brest challenger | 28 | |||
| Lisbon challenger | 1 | |||
| Cali challenger | 2 | |||
| Fort Worth challenger | 1 | |||
| Guangzhou challenger | 1 | |||
| Guayaquil challenger | 8 | |||
| Ningbo challenger | 31 | |||
| Florence challenger | 2 | |||
| UTR Pro Tennis Series 3 | 16 | |||
| UTR Pro Tennis Series 5 | 7 | |||
| UTR Pro Tennis Series 9 | 10 | |||
| Courmayeur WTA | 4 | |||
| Wrexham ITF | 2 | |||
| Saguenay ITF | 1 | |||
| Cherbourg-en-Cotentin ITF | 1 | |||
| Istanbul ITF | 16 | |||
| Bakersfield ITF | 1 | |||
| Kunshan ITF | 16 | |||
| La Marsa ITF | 17 | |||
| Loule ITF | 1 | |||
| Monastir 55 ITF | 1 | |||
| Qian Daohu ITF | 1 | |||
| Santa Margherita Di Pula 15 ITF | 1 | |||
| UTR Pro Tennis Series 5 | 7 | |||
| UTR Pro Tennis Series 9 | 9 | |||
| Bol 15 ITF | 3 | |||
| Essen ITF | 16 | |||
| Joao Pessoa ITF | 1 | |||
| Sharm El Sheikh 18 ITF | 1 | |||
| Singapore ITF | 2 | |||
| UTR Pro Match Series | 19 | |||
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