WTA and ATP rankings on - 27.12.2021
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- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 926. | 1 |
Koshiishi Ayumi | Japan | 35 |
| 951. | 1 |
Matsumoto Ari | Japan | 32 |
| 953. | 2 |
Arakawa Natsuho | Japan | 32 |
| 958. | 2 |
Hosoki Yuka | Japan | 32 |
| 961. | 2 |
Shimizu Eri | Japan | 32 |
| 978. | 1 |
Hondo Sakura | Japan | 31 |
| 982. | 1 |
Ozaki Risa | Japan | 30 |
| 1075. | 2 |
Kishigami Utaka | Japan | 24 |
| 1086. | - |
Chikaraishi Yui | Japan | 23 |
| 1089. | - |
Kobayashi Honoka | Japan | 23 |
| 1099. | - |
Kuramochi Miho | Japan | 22 |
| 1124. | - |
Kawagishi Nana | Japan | 21 |
| 1130. | 3 |
Aikawa Mayuka | Japan | 21 |
| 1146. | 3 |
Takahata Kotomi | Japan | 20 |
| 1202. | 4 |
Miyamoto Ayumi | Japan | 18 |
| 1252. | 3 |
Tanaka Yuuki | Japan | 15 |
| 1300. | 4 |
Kawaguchi Natsumi | Japan | 14 |
| 1346. | 3 |
Imamura Saki | Japan | 13 |
| 1355. | 5 |
Kozaki Mio | Japan | 13 |
| 1371. | 5 |
Sawayanagi Riko | Japan | 12 |
| 1428. | 1 |
Nishizato Kiko | Japan | 10 |
| 1470. | 2 |
Hasegawa Mei | Japan | 9 |
| 1500. | 2 |
Abe Hiromi | Japan | 8 |
| 1500. | 2 |
Nagata Anri | Japan | 8 |
| 1521. | 3 |
Koike Satsuki | Japan | 8 |
| 1594. | 3 |
Fukuda Shiori | Japan | 6 |
| 1625. | 3 |
Furuya Michiru | Japan | 5 |
| 1625. | 3 |
Hosonuma Chisa | Japan | 5 |
| 1655. | 2 |
Friant Eimi | Japan | 4 |
| 1672. | 2 |
Inoue Akari | Japan | 4 |
| 1723. | 4 |
Nakashima Miyu | Japan | 3 |
| 1723. | 4 |
Nishimoto Megumi | Japan | 3 |
| 1723. | 4 |
Oshino Suzuho | Japan | 3 |
- Betting ranking
| Cerundolo Juan Manuel | +1696 |
| Obradovic Andrea | +1076 |
| Sahtali Toufik | +997 |
| Khrebtova Valentina | +987 |
| Romano Filippo | +974 |
| Svatikova Laura | -1337 |
| Otegui Juan Bautista | -1224 |
| Bennemann Eva | -1151 |
| Marcinkevica Diana | -1083 |
| Haddad Maia Beatriz | -1069 |
This week's tournaments
| Main tournaments | ||||
| Bastad | 3 | |||
| Estoril | 8 | |||
| Gstaad | 4 | |||
| Kitzbühel | 8 | |||
| Umag | 1 | |||
| Davis Cup | 3 | |||
| Iasi WTA | 3 | |||
| Livesport Prague Open | 12 | |||
| Athens WTA | 3 | |||
| Billie Jean King Cup | 6 | |||
| Lower level tournaments | ||||
| Granby challenger | 3 | |||
| Lincoln challenger | 3 | |||
| Bunschoten challenger | 3 | |||
| Cordenons challenger | 3 | |||
| Pozoblanco challenger | 3 | |||
| UTR Pro Tennis Series 3 | 33 | |||
| UTR Pro Tennis Series 5 | 17 | |||
| UTR Pro Tennis Series 9 | 11 | |||
| Ultimate Tennis Showdown | 5 | |||
| Istanbul 10 ITF | 3 | |||
| Palermo | 8 | |||
| Kitzbühel WTA | 2 | |||
| Rome 2 WTA | 3 | |||
| Granby ITF | 3 | |||
| Olomouc ITF | 3 | |||
| Vitoria-Gasteiz ITF | 3 | |||
| Darmstadt ITF | 3 | |||
| Nottingham 3 ITF | 1 | |||
| Dallas 2 ITF | 3 | |||
| Sao Paulo 4 ITF | 3 | |||
| Turin ITF | 3 | |||
| UTR Pro Tennis Series 5 | 11 | |||
| UTR Pro Tennis Series 9 | 19 | |||
| Brisbane 6 ITF | 1 | |||
| Hillcrest 3 ITF | 3 | |||
| Krsko ITF | 2 | |||
| Kursumlijska Banja 10 ITF | 3 | |||
| Luan 4 ITF | 1 | |||
| Monastir 44 ITF | 4 | |||
| UTR Pro Match Series | 26 | |||
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