WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 47. | - |
Nishikori Kei | Japan | 1210 |
| 81. | - |
Nishioka Yoshihito | Japan | 823 |
| 125. | - |
Daniel Taro | Japan | 584 |
| 161. | - |
Sugita Yuichi | Japan | 428 |
| 203. | - |
Uchiyama Yasutaka | Japan | 321 |
| 247. | - |
Soeda Go | Japan | 253 |
| 259. | - |
Uchida Kaichi | Japan | 235 |
| 266. | - |
Watanuki Yosuke | Japan | 223 |
| 278. | - |
Ito Tatsuma | Japan | 203 |
| 289. | - |
Moriya Hiroki | Japan | 187 |
| 387. | - |
Mochizuki Shintaro | Japan | 108 |
| 428. | - |
Shimizu Yuta | Japan | 92 |
| 440. | 1 |
Sekiguchi Shuichi | Japan | 87 |
| 442. | 1 |
Imai Shintaro | Japan | 86 |
| 454. | 2 |
Noguchi Rio | Japan | 82 |
| 493. | - |
Nakagawa Naoki | Japan | 72 |
| 538. | - |
Tokuda Renta | Japan | 61 |
| 542. | 1 |
Takahashi Yusuke | Japan | 61 |
| 545. | 1 |
Shimabukuro Sho | Japan | 60 |
| 626. | - |
Ochi Makoto | Japan | 46 |
| 654. | 1 |
Mochizuki Yuki | Japan | 40 |
| 657. | 3 |
Tanuma Ryota | Japan | 40 |
| 683. | 3 |
Tajima Naoki | Japan | 37 |
| 765. | - |
Niki Takuto | Japan | 28 |
| 772. | - |
Yamasaki Jumpei | Japan | 27 |
| 811. | 1 |
Takeuchi Kento | Japan | 23 |
| 895. | 5 |
Kawakami Rimpei | Japan | 17 |
| 993. | 2 |
Moritani Soichiro | Japan | 12 |
| 1029. | 3 |
Kawachi Kazuma | Japan | 11 |
| 1056. | 5 |
Kawahashi Yuta | Japan | 10 |
| 1060. | 5 |
Ehara Hiroyasu | Japan | 10 |
| 1066. | 5 |
Hazawa Shinji | Japan | 10 |
| 1078. | 1 |
Watanabe Seita | Japan | 10 |
| 1080. | 2 |
Okamura Issei | Japan | 10 |
| 1084. | 2 |
Matsui Toshihide | Japan | 9 |
| 1090. | - |
Kikuchi Gengo | Japan | 9 |
| 1106. | 4 |
Nishiwaki Kazuki | Japan | 9 |
| 1118. | 2 |
Sumizawa Daisuke | Japan | 9 |
| 1150. | 1 |
Saito Takashi | Japan | 8 |
| 1152. | 1 |
Ichikawa Taisei | Japan | 8 |
| 1156. | 2 |
Inoue Haru | Japan | 7 |
| 1182. | - |
Fukuda Sora | Japan | 7 |
| 1192. | 2 |
Saitoh Keisuke | Japan | 7 |
| 1234. | 6 |
Imamura Masamichi | Japan | 6 |
| 1266. | - |
Trotter James | Japan | 5 |
| 1267. | - |
Suzuki Ko | Japan | 5 |
| 1276. | 1 |
Kikuchi Yuta | Japan | 5 |
| 1325. | 1 |
Yamanaka Taiyo | Japan | 5 |
| 1330. | 1 |
Ogura Kosuke | Japan | 5 |
| 1344. | 2 |
Kumasaka Takuya | Japan | 4 |
- 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 | 20 | |||
| Guangzhou | 25 | |||
| Osaka WTA | 1 | |||
| Lower level tournaments | ||||
| Seoul challenger | 31 | |||
| 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 | 28 | |||
| UTR Pro Tennis Series 5 | 12 | |||
| UTR Pro Tennis Series 9 | 10 | |||
| Courmayeur WTA | 4 | |||
| Wrexham ITF | 2 | |||
| Cherbourg-en-Cotentin ITF | 1 | |||
| Istanbul ITF | 16 | |||
| Bakersfield ITF | 0 | |||
| 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 | |||
| Sydney 3 ITF | 1 | |||
| UTR Pro Tennis Series 5 | 13 | |||
| 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 | 25 | |||
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