WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 223. | - |
Hsu Yu Hsiou | Chinese Taipei | 375 |
| 239. | - |
Hsieh Cheng-Peng | Chinese Taipei | 326 |
| 369. | 1 |
Jung Jason | Chinese Taipei | 164 |
| 404. | - |
Tseng Chun Hsin | Chinese Taipei | 148 |
| 525. | - |
Lu Yen-hsun | Chinese Taipei | 90 |
| 579. | 1 |
Ho Ray | Chinese Taipei | 78 |
| 606. | 1 |
Yang Tsung-Hua | Chinese Taipei | 72 |
| 701. | 1 |
Wu Tung-lin | Chinese Taipei | 58 |
| 1079. | 44 |
Huang Tsung-Hao | Chinese Taipei | 24 |
| 1105. | 7 |
Lo Chien Hsun | Chinese Taipei | 23 |
| 1140. | 3 |
Lin Wei-De | Chinese Taipei | 21 |
| 1239. | - |
Lee Kuan-Yi | Chinese Taipei | 17 |
| 1352. | 4 |
Wang Jimmy | Chinese Taipei | 13 |
| 1359. | 4 |
Liu Shao-Fan | Chinese Taipei | 13 |
| 1588. | 3 |
Yin Bang Shuo | Chinese Taipei | 8 |
| 1637. | - |
Chen Ti | Chinese Taipei | 7 |
| 1663. | 1 |
Meng Cing-Yang | Chinese Taipei | 7 |
| 1916. | 2 |
Hsu Chuan En | Chinese Taipei | 4 |
| 1989. | 6 |
Tan Li-Wie | Chinese Taipei | 4 |
| 2177. | 8 |
Yu Cheng-Yu | Chinese Taipei | 3 |
| 2418. | 8 |
Chiu Yu Hsiang | Chinese Taipei | 2 |
|1-50|
- Betting ranking
| Cerundolo Juan Manuel | +1636 |
| Guerrieri Andrea | +1075 |
| Encheva Lidia | +1072 |
| Sakellaridis Stefanos | +1068 |
| Eala Alexandra | +990 |
| Svatikova Laura | -1386 |
| Marcinkevica Diana | -1382 |
| Bennemann Eva | -1315 |
| Otegui Juan Bautista | -1287 |
| Covato Matteo | -1222 |
This week's tournaments
| Main tournaments | ||||
| US Open | 36 | |||
| Winston Salem | 14 | |||
| US Open | 36 | |||
| Monterrey | 13 | |||
| Lower level tournaments | ||||
| Kingston 2 challenger | 16 | |||
| Augsburg challenger | 14 | |||
| Roehampton 2 challenger | 12 | |||
| UTR Pro Tennis Series | 2 | |||
| UTR Pro Tennis Series 3 | 51 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 11 | |||
| Philadelphia WTA | 9 | |||
| Bytom ITF | 20 | |||
| Kursumlijska Banja 16 ITF | 18 | |||
| Oldenzaal ITF | 19 | |||
| Barueri ITF | 15 | |||
| Trieste ITF | 13 | |||
| Verbier 2 ITF | 16 | |||
| UTR Pro Tennis Series 5 | 6 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Brasov 2 ITF | 17 | |||
| Hurghada 8 ITF | 20 | |||
| Monastir 47 ITF | 16 | |||
| Tianjin 4 ITF | 18 | |||
| Torello ITF | 15 | |||
| UTR Pro Match Series | 51 | |||
| UTR Pro Tennis Series | 10 | |||
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