WTA and ATP rankings on - 27.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 37. | - |
McLachlan Ben | Japan | 2431 |
| 347. | - |
Nishioka Yoshihito | Japan | 185 |
| 353. | - |
Matsui Toshihide | Japan | 182 |
| 360. | 1 |
Imai Shintaro | Japan | 171 |
| 440. | 2 |
Mochizuki Shintaro | Japan | 125 |
| 459. | - |
Uchiyama Yasutaka | Japan | 116 |
| 504. | - |
Shimizu Yuta | Japan | 98 |
| 534. | - |
Soeda Go | Japan | 89 |
| 543. | 1 |
Tajima Naoki | Japan | 87 |
| 568. | 3 |
Noguchi Rio | Japan | 82 |
| 569. | 3 |
Uesugi Kaito | Japan | 81 |
| 587. | 1 |
Niki Takuto | Japan | 76 |
| 593. | 1 |
Uchida Kaichi | Japan | 75 |
| 614. | 3 |
Watanabe Seita | Japan | 71 |
| 655. | - |
Yamasaki Jumpei | Japan | 65 |
| 666. | 1 |
Tanuma Ryota | Japan | 64 |
| 668. | 1 |
Daniel Taro | Japan | 63 |
| 699. | 1 |
Moriya Hiroki | Japan | 58 |
| 710. | 2 |
Ochi Makoto | Japan | 57 |
| 711. | 2 |
Trotter James | Japan | 56 |
| 733. | - |
Takahashi Yusuke | Japan | 53 |
| 753. | 1 |
Shimabukuro Sho | Japan | 50 |
| 771. | - |
Mochizuki Yuki | Japan | 48 |
| 794. | 1 |
Nishikori Kei | Japan | 45 |
| 823. | 2 |
Ichikawa Taisei | Japan | 43 |
| 862. | 3 |
Nakagawa Naoki | Japan | 38 |
| 866. | 3 |
Tokuda Renta | Japan | 38 |
| 895. | 1 |
Kawachi Kazuma | Japan | 35 |
| 904. | 1 |
Ogura Kosuke | Japan | 34 |
| 976. | 2 |
Takeuchi Kento | Japan | 30 |
| 984. | 2 |
Fukuda Sora | Japan | 29 |
| 985. | 2 |
Hazawa Shinji | Japan | 29 |
| 1020. | 1 |
Sekiguchi Shuichi | Japan | 27 |
| 1027. | 2 |
Okamura Issei | Japan | 27 |
| 1043. | 3 |
Sugita Yuichi | Japan | 25 |
| 1059. | 2 |
Sumizawa Daisuke | Japan | 25 |
| 1071. | 40 |
Nishiwaki Kazuki | Japan | 24 |
| 1098. | 8 |
Ehara Hiroyasu | Japan | 23 |
| 1146. | 2 |
Saitoh Keisuke | Japan | 21 |
| 1201. | 3 |
Onishi Ken | Japan | 19 |
| 1203. | 3 |
Kawakami Rimpei | Japan | 19 |
| 1264. | - |
Yamanaka Taiyo | Japan | 16 |
| 1271. | 1 |
Imamura Masamichi | Japan | 16 |
| 1298. | 2 |
Kawahashi Yuta | Japan | 15 |
| 1307. | 2 |
Moritani Soichiro | Japan | 15 |
| 1330. | 4 |
Katayama Sho | Japan | 14 |
| 1380. | 1 |
Kibi Yuya | Japan | 12 |
| 1441. | - |
Chikami Shohei | Japan | 11 |
| 1478. | 3 |
Tanaka Yunosuke | Japan | 10 |
| 1641. | - |
Kikuchi Gengo | Japan | 7 |
- Betting ranking
| Cerundolo Juan Manuel | +1303 |
| Romano Filippo | +1201 |
| Aguiard Enzo | +1111 |
| Linette Magda | +1036 |
| Mair Laura | +939 |
| Otegui Juan Bautista | -1174 |
| Alexandrova Ekaterina | -1113 |
| Bennemann Eva | -1107 |
| Michalik Radovan | -1083 |
| Haddad Maia Beatriz | -1019 |
This week's tournaments
| Main tournaments | ||||
| Halle | 4 | |||
| Queen's Club | 4 | |||
| Eastbourne | 8 | |||
| Mallorca | 7 | |||
| Berlin | 4 | |||
| Bad Homburg WTA | 24 | |||
| Eastbourne | 12 | |||
| Nottingham | 3 | |||
| Lower level tournaments | ||||
| Nottingham challenger | 2 | |||
| Parma 3 challenger | 2 | |||
| Poznan challenger | 2 | |||
| Dublin challenger | 3 | |||
| Asuncion 2 challenger | 3 | |||
| Royan challenger | 2 | |||
| UTR Pro Tennis Series | 20 | |||
| UTR Pro Tennis Series 3 | 90 | |||
| UTR Pro Tennis Series 5 | 63 | |||
| Brescia | 4 | |||
| Figueira Da Foz | 3 | |||
| Blois ITF | 1 | |||
| Haskovo ITF | 3 | |||
| Bolszewo ITF | 3 | |||
| Klosters ITF | 3 | |||
| Mohammedia ITF | 3 | |||
| San Gregorio 4 ITF | 3 | |||
| Taipei 2 ITF | 3 | |||
| Tauste-Zaragoza ITF | 1 | |||
| Ystad ITF | 3 | |||
| Zhengzhou ITF | 4 | |||
| UTR Pro Tennis Series 5 | 37 | |||
| Bucharest 4 ITF | 3 | |||
| Dinard ITF | 2 | |||
| Irvine ITF | 5 | |||
| Kayseri 5 ITF | 4 | |||
| Kursumlijska Banja 6 ITF | 3 | |||
| Luque ITF | 4 | |||
| Monastir 40 ITF | 3 | |||
| Sapporo ITF | 3 | |||
| UTR Pro Match Series | 159 | |||
| UTR Pro Tennis Series | 35 | |||
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