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
| Cerundolo Juan Manuel | +1525 |
| Guerrieri Andrea | +1130 |
| Gallego Juan Ignacio | +1119 |
| Dencheva Rositsa | +1088 |
| Encheva Lidia | +1080 |
| Svatikova Laura | -1434 |
| Covato Matteo | -1422 |
| Michalik Radovan | -1403 |
| Marcinkevica Diana | -1391 |
| Uchida Kaichi | -1366 |
This week's tournaments
| Main tournaments | ||||
| Davis Cup | 16 | |||
| Guadalajara 2 WTA | 6 | |||
| Sao Paulo WTA | 14 | |||
| Lower level tournaments | ||||
| Tiburon challenger | 10 | |||
| Szczecin challenger | 10 | |||
| Guangzhou 2 challenger | 6 | |||
| Rennes challenger | 9 | |||
| Phan Thiet 4 challenger | 6 | |||
| Biella challenger | 7 | |||
| UTR Pro Tennis Series | 43 | |||
| UTR Pro Tennis Series 3 | 88 | |||
| UTR Pro Tennis Series 5 | 40 | |||
| Caldas da Rainha | 9 | |||
| Ljubljana WTA | 7 | |||
| Valencia WTA | 7 | |||
| Le Neubourg ITF | 9 | |||
| Pazardzhik ITF | 3 | |||
| Hurghada 11 ITF | 7 | |||
| Kyoto ITF | 6 | |||
| Shenyang ITF | 5 | |||
| Santa Margherita Di Pula 11 ITF | 7 | |||
| UTR Pro Tennis Series 5 | 31 | |||
| Monastir 50 ITF | 7 | |||
| Sao Luis do Maranhao ITF | 12 | |||
| UTR Pro Match Series | 84 | |||
| UTR Pro Tennis Series | 59 | |||
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