WTA and ATP rankings on - 13.12.2021
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points | 
| 42. | - | Nishikori Kei | Japan | 1025 | 
| 108. | - | Nishioka Yoshihito | Japan | 465 | 
| 115. | 1 | Daniel Taro | Japan | 425 | 
| 231. | 4 | Uchiyama Yasutaka | Japan | 181 | 
| 292. | 5 | Watanuki Yosuke | Japan | 124 | 
| 296. | 5 | Moriya Hiroki | Japan | 122 | 
| 328. | 11 | Sugita Yuichi | Japan | 105 | 
| 333. | 8 | Mochizuki Shintaro | Japan | 103 | 
| 356. | 5 | Uchida Kaichi | Japan | 90 | 
| 384. | 5 | Ito Tatsuma | Japan | 72 | 
| 401. | 6 | Soeda Go | Japan | 66 | 
| 425. | 8 | Nakagawa Naoki | Japan | 60 | 
| 489. | 7 | Noguchi Rio | Japan | 44 | 
| 512. | 7 | Imai Shintaro | Japan | 39 | 
| 544. | 12 | Tokuda Renta | Japan | 35 | 
| 552. | 10 | Shimabukuro Sho | Japan | 34 | 
| 628. | 8 | Shimizu Yuta | Japan | 23 | 
| 633. | 8 | Mochizuki Yuki | Japan | 22 | 
| 638. | 9 | Tanuma Ryota | Japan | 22 | 
| 646. | 9 | Takahashi Yusuke | Japan | 22 | 
| 650. | 10 | Ochi Makoto | Japan | 21 | 
| 664. | 4 | Tajima Naoki | Japan | 20 | 
| 800. | 6 | Kawakami Rimpei | Japan | 11 | 
| 898. | 9 | Sekiguchi Shuichi | Japan | 7 | 
| 916. | 10 | Niki Takuto | Japan | 7 | 
| 943. | 6 | Watanabe Seita | Japan | 6 | 
| 970. | 8 | Kawahashi Yuta | Japan | 5 | 
| 992. | 9 | Sumizawa Daisuke | Japan | 5 | 
| 1015. | 6 | Imamura Masamichi | Japan | 4 | 
| 1023. | 2 | Ogura Kosuke | Japan | 4 | 
| 1071. | 8 | Saitoh Keisuke | Japan | 4 | 
| 1076. | 9 | Takeuchi Kento | Japan | 4 | 
| 1080. | 9 | Yamasaki Jumpei | Japan | 4 | 
| 1081. | 9 | Trotter James | Japan | 3 | 
| 1113. | 10 | Mitsui Shunsuke | Japan | 3 | 
| 1113. | 8 | Nishiwaki Kazuki | Japan | 3 | 
| 1119. | 5 | Kawachi Kazuma | Japan | 3 | 
| 1168. | 7 | Kumasaka Takuya | Japan | 2 | 
| 1199. | 10 | Inui Yuichiro | Japan | 2 | 
| 1227. | 19 | Kikuchi Yuta | Japan | 2 | 
| 1257. | 17 | Saito Takashi | Japan | 2 | 
| 1270. | 19 | Yamanaka Taiyo | Japan | 2 | 
| 1285. | 16 | Sueoka Yamato | Japan | 1 | 
| 1361. | 1 | Matsumura Ryotaro | Japan | 1 | 
| 1449. | 9 | Yoshimura Daiki | Japan | 1 | 
| 1492. | 5 | Chikami Shohei | Japan | 1 | 
| 1522. | 8 | Okamura Issei | Japan | 1 | 
| 1547. | 17 | Isomura Kokoro | Japan | 1 | 
| 1565. | 10 | Ichikawa Taisei | Japan | 1 | 
|1-50|
            - Betting ranking
| Panshina Varvara | +2421 | 
| Lee Carol Young Suh | +2133 | 
| Bublik Alexander | +1790 | 
| Moyano Luciana | +1523 | 
| Mdlulwa Wozuko | +1474 | 
| Seyboth Wild Thiago | -1480 | 
| Matuszewski Gabriel | -1466 | 
| Kis Balazs Rafael | -1394 | 
| Yashina Ekaterina | -1383 | 
| Kirchheimer Strong | -1367 | 
- This week's tournaments
| Main tournaments | ||||
| Paris | 8 | |||
| Masters Cup WTA | 24 | |||
| Chennai WTA | 5 | |||
| Hong Kong WTA | 2 | |||
| Jiujiang | 3 | |||
| Lower level tournaments | ||||
| Bratislava challenger | 5 | |||
| Seoul challenger | 3 | |||
| Charlottesville challenger | 6 | |||
| Lima challenger | 6 | |||
| Monastir challenger | 3 | |||
| UTR Pro Tennis Series 3 | 231 | |||
| UTR Pro Tennis Series 5 | 51 | |||
| Cali | 4 | |||
| Irapuato ITF | 8 | |||
| Glasgow 2 ITF | 4 | |||
| Toronto ITF | 6 | |||
| Brisbane 4 ITF | 3 | |||
| Istanbul ITF | 2 | |||
| Loule ITF | 5 | |||
| Makinohara ITF | 3 | |||
| Neuquén ITF | 7 | |||
| Villeneuve d'Ascq ITF | 5 | |||
| UTR Pro Tennis Series 5 | 31 | |||
| Bol 15 ITF | 2 | |||
| Malta ITF | 3 | |||
| Monastir 5 ITF | 2 | |||
| Sharm El Sheikh 19 ITF | 2 | |||
| Solarino 3 ITF | 3 | |||
| Sumter 2 ITF | 6 | |||
| Taby ITF | 2 | |||
| Tashkent 4 ITF | 3 | |||
| UTR Pro Match Series | 112 | |||
- Player's profile
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- Head-to-head
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