WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 216. | - |
Nam Ji Sung | South Korea | 392 |
| 236. | - |
Song Min-Kyu | South Korea | 333 |
| 337. | - |
Chung Yunseong | South Korea | 195 |
| 679. | 2 |
Hong Seong Chan | South Korea | 61 |
| 858. | 3 |
Kwon Soon Woo | South Korea | 38 |
| 903. | 1 |
Park Uisung | South Korea | 34 |
| 1198. | 3 |
Lee Duck Hee | South Korea | 19 |
| 1335. | 4 |
Kim Cheong-Eui | South Korea | 14 |
| 1437. | - |
Choi Jae-Won | South Korea | 11 |
| 1437. | - |
Moon Ju-Hae | South Korea | 11 |
| 1546. | 3 |
Chung Hong | South Korea | 8 |
| 1546. | 3 |
Lee Jea Moon | South Korea | 8 |
| 1629. | - |
Lim Yong-Kyu | South Korea | 7 |
| 1685. | - |
Shin Woobin | South Korea | 6 |
| 1738. | 3 |
Jeong Yeongseok | South Korea | 6 |
| 1744. | 3 |
Oh Seong-Gook | South Korea | 6 |
| 1891. | 1 |
Son Ji Hoon | South Korea | 4 |
| 1916. | 2 |
Lee Tae-Woo | South Korea | 4 |
| 1916. | 2 |
Sim Seongbin | South Korea | 4 |
| 2100. | 8 |
Kwon Oh-Hee | South Korea | 3 |
| 2136. | 8 |
Kim Young Seok | South Korea | 3 |
| 2172. | 8 |
Han Seon Yong | South Korea | 3 |
| 2288. | 9 |
Lee Seounghun | South Korea | 2 |
| 2288. | 9 |
Lim Hyung-Chan | South Korea | 2 |
| 2355. | 10 |
Shin Sanhui | South Korea | 2 |
| 2475. | 9 |
Na Jung-Woong | South Korea | 2 |
| 2517. | 8 |
Kim Min Gyeom | South Korea | 1 |
| 2517. | 8 |
Park Jun Sang | South Korea | 1 |
| 2613. | 8 |
Han Jin Sung | South Korea | 1 |
|1-50|
- Betting ranking
| Panshina Varvara | +2364 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1644 |
| Vrancken Peeters Anouck | +1444 |
| Sanchez Ana Sofia | +1425 |
| Seyboth Wild Thiago | -1480 |
| Kirchheimer Strong | -1479 |
| Matuszewski Gabriel | -1466 |
| Campana Lee Gerard | -1448 |
| Daniel Taro | -1410 |
This week's tournaments
| Main tournaments | ||||
| Masters Cup ATP | 3 | |||
| Billie Jean King Cup | 3 | |||
| Lower level tournaments | ||||
| Montevideo challenger | 3 | |||
| Brisbane 4 challenger | 3 | |||
| Champaign challenger | 5 | |||
| Drummondville challenger | 3 | |||
| Kobe challenger | 3 | |||
| Lyon 2 challenger | 2 | |||
| UTR Pro Tennis Series 3 | 29 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 25 | |||
| Austin ITF | 3 | |||
| Brisbane 5 ITF | 3 | |||
| Chihuahua ITF | 5 | |||
| Funchal ITF | 3 | |||
| Heraklion 10 ITF | 2 | |||
| Orlando 7 ITF | 3 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 33 ITF | 3 | |||
| Clemson ITF | 3 | |||
| Criciuma ITF | 3 | |||
| Hua Hin 6 ITF | 3 | |||
| Monastir 7 ITF | 3 | |||
| Nules ITF | 2 | |||
| Phan Thiet ITF | 2 | |||
| Sharm El Sheikh 21 ITF | 3 | |||
| Solarino 7 ITF | 2 | |||
| UTR Pro Match Series | 68 | |||
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