WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points | 
| 4. | - | Ram Rajeev | USA | 9400 | 
| 40. | - | Krajicek Austin | USA | 2295 | 
| 55. | - | Johnson Steve | USA | 1980 | 
| 75. | - | Bryan Bob | USA | 1365 | 
| 75. | - | Bryan Mike | USA | 1365 | 
| 79. | - | Querrey Sam | USA | 1325 | 
| 86. | - | Lammons Nathaniel | USA | 1220 | 
| 90. | - | Withrow Jackson J. | USA | 1173 | 
| 99. | - | Monroe Nick | USA | 1114 | 
| 105. | - | Reese Hunter | USA | 1015 | 
| 111. | - | Galloway Robert | USA | 960 | 
| 112. | - | Schnur Max Jacob | USA | 949 | 
| 115. | - | Lawson Alex | USA | 939 | 
| 116. | - | King Evan | USA | 935 | 
| 149. | - | Opelka Reilly | USA | 700 | 
| 153. | - | Sock Jack | USA | 690 | 
| 157. | - | Cerretani Jamie | USA | 667 | 
| 163. | - | Tiafoe Frances | USA | 630 | 
| 176. | - | Paul Tommy | USA | 560 | 
| 178. | - | Novikov Dennis | USA | 558 | 
| 182. | - | Blumberg William | USA | 520 | 
| 185. | - | Harrison Christian | USA | 504 | 
| 187. | - | Pasha Nathan | USA | 491 | 
| 189. | - | Korda Sebastian | USA | 487 | 
| 206. | - | Isner John | USA | 430 | 
| 207. | - | Fritz Taylor | USA | 428 | 
| 211. | - | Johnson Hunter | USA | 409 | 
| 217. | - | Aragone JC | USA | 388 | 
| 237. | - | McDonald Mackenzie | USA | 331 | 
| 256. | - | Sandgren Tennys | USA | 298 | 
| 259. | - | Eubanks Christopher | USA | 290 | 
| 279. | - | Stalder Reese | USA | 268 | 
| 285. | - | Krueger Mitchell | USA | 259 | 
| 293. | 1 | Bangoura Sekou | USA | 241 | 
| 301. | - | Kudla Denis | USA | 223 | 
| 308. | - | Ore Junior A. | USA | 219 | 
| 317. | 1 | Kozlov Stefan | USA | 211 | 
| 334. | - | Kwiatkowski Thai-Son | USA | 196 | 
| 336. | - | Mmoh Michael | USA | 195 | 
| 340. | - | Harrison Ryan | USA | 191 | 
| 371. | 1 | Rybakov Alex | USA | 163 | 
| 396. | 1 | Johnson Yates | USA | 151 | 
| 405. | - | Nakashima Brandon | USA | 145 | 
| 452. | - | Young Donald | USA | 119 | 
| 453. | - | Redlicki Martin | USA | 119 | 
| 466. | - | Damm Martin (2003) | USA | 114 | 
| 473. | 1 | Fratangelo Bjorn | USA | 111 | 
| 478. | 1 | Corwin Felix | USA | 111 | 
| 539. | 1 | Klahn Bradley | USA | 88 | 
| 552. | 2 | Chappell Nick | USA | 85 | 
- Betting ranking
| Panshina Varvara | +2421 | 
| Lee Carol Young Suh | +2133 | 
| Bublik Alexander | +1790 | 
| Moyano Luciana | +1573 | 
| Sanchez Ana Sofia | +1525 | 
| Seyboth Wild Thiago | -1480 | 
| Matuszewski Gabriel | -1466 | 
| Kis Balazs Rafael | -1394 | 
| Yashina Ekaterina | -1383 | 
| Kirchheimer Strong | -1367 | 
- This week's tournaments
| Main tournaments | ||||
| Paris | 9 | |||
| Masters Cup WTA | 24 | |||
| Chennai WTA | 8 | |||
| Hong Kong WTA | 6 | |||
| Jiujiang | 6 | |||
| Lower level tournaments | ||||
| Bratislava challenger | 7 | |||
| Seoul challenger | 6 | |||
| Charlottesville challenger | 8 | |||
| Lima challenger | 10 | |||
| Monastir challenger | 6 | |||
| UTR Pro Tennis Series 3 | 246 | |||
| UTR Pro Tennis Series 5 | 61 | |||
| Cali | 7 | |||
| Irapuato ITF | 14 | |||
| Glasgow 2 ITF | 5 | |||
| Toronto ITF | 8 | |||
| Brisbane 4 ITF | 8 | |||
| Istanbul ITF | 6 | |||
| Loule ITF | 9 | |||
| Makinohara ITF | 5 | |||
| Neuquén ITF | 10 | |||
| Villeneuve d'Ascq ITF | 5 | |||
| UTR Pro Tennis Series 5 | 38 | |||
| Bol 15 ITF | 4 | |||
| Malta ITF | 6 | |||
| Monastir 5 ITF | 6 | |||
| Sharm El Sheikh 19 ITF | 6 | |||
| Solarino 3 ITF | 6 | |||
| Sumter 2 ITF | 8 | |||
| Taby ITF | 6 | |||
| Tashkent 4 ITF | 6 | |||
| UTR Pro Match Series | 120 | |||
- Player's profile
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