Name: Riko Sawayanagi
Country: Japan
Birthdate: 25.10.94, 29 years
WTA ranking: 853
TOP ranking's position: 178 (05.10.15, 28500 points)
Points: 29
Prize money: 187859 $
Matches total: 440
Win: 245
%: 55.68 %
Country: Japan
Birthdate: 25.10.94, 29 years
WTA ranking: 853
TOP ranking's position: 178 (05.10.15, 28500 points)
Points: 29
Prize money: 187859 $
Matches total: 440
Win: 245
%: 55.68 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 15/11 | 10/9 | 5/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 22/19 | 10/7 | 12/9 | 0/1 | 0/1 | 0/1 | 0/0 |
| 2021 | 19/11 | 7/4 | 12/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 0/1 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2018 | 9/8 | 6/5 | 0/0 | 0/0 | 3/2 | 0/1 | 0/0 |
| 2017 | 17/32 | 13/27 | 0/2 | 0/0 | 4/3 | 0/0 | 0/0 |
| 2016 | 44/34 | 34/25 | 1/3 | 0/1 | 9/4 | 0/1 | 0/0 |
| 2015 | 32/23 | 22/13 | 4/4 | 0/0 | 0/1 | 6/5 | 0/0 |
| 2014 | 36/20 | 20/13 | 4/1 | 0/0 | 6/2 | 6/4 | 0/0 |
| 2013 | 23/14 | 22/12 | 0/0 | 0/0 | 0/1 | 1/1 | 0/0 |
| 2012 | 11/11 | 2/5 | 0/0 | 0/0 | 3/1 | 6/5 | 0/0 |
| 2011 | 17/11 | 3/6 | 0/0 | 0/0 | 14/5 | 0/0 | 0/0 |
| TOTAL | 245/195 | 149/126 | 38/28 | 0/2 | 39/21 | 19/18 | 0/0 |
| perc. % | 55.68 % | 54.18 % | 57.58 % | 0 % | 65 % | 51.35 % | 0 % |
Riko Sawayanagi / scheduled / last
| no matches found |
Riko Sawayanagi form / year 2023
Riko Sawayanagi / year 2023
| 07.06.23 | 1st round | En Shuo Liang | Riko Sawayanagi | 7-62, 6-0 |  | match details |  W25 Daegu | Hard |
| 01.05.23 | q 1 | Honoka Kobayashi | Riko Sawayanagi | 7-62, 1-0, Riko Sawayanagi - retired | | match details |  W80 Gifu | Hard |
| 27.04.23 | 2nd round | Rinon Okuwaki | Riko Sawayanagi | 3-6, 6-2, 6-3 | | match details | W15 Fukui | Hard |
| 25.04.23 | 1st round | Riko Sawayanagi | Chihiro Takayama | 7-5, 6-0 |  | match details | ||
| 12.04.23 | 1st round | Xiaodi You | Riko Sawayanagi | 6-1, 6-1 | | match details | W25 Osaka | Hard |
| 10.04.23 | q 2 | Riko Sawayanagi | Ai Yamaguchi | 6-2, 6-4 | | match details | ||
| 10.04.23 | qual. | Riko Sawayanagi | Gyeong Seo Lee | 6-4, 6-2 | | match details | ||
| 09.04.23 | q 1 | Riko Sawayanagi | Ayaka Ozeki | 6-0, 6-0 | | match details | ||
| 21.03.23 | 1st round | Dalila Jakupovic | Riko Sawayanagi | 6-2, 6-2 | | match details |  W60 Canberra | Clay |
| 20.03.23 | qual. | Riko Sawayanagi | Ya-Yi Yang | 3-6, 6-0, 6-1 | | match details | ||
| 19.03.23 | q 1 | Riko Sawayanagi | Sophia Fry | 6-0, 6-0 | | match details | ||
| 16.03.23 | 2nd round | Haruka Kaji | Riko Sawayanagi | 6-2, 4-6, 6-2 | | match details | W60 Canberra | Clay |
| 14.03.23 | 1st round | Riko Sawayanagi | Irina Ramialison | 7-5, 7-5 | | match details | ||
| 13.03.23 | qual. | Riko Sawayanagi | Mana Kawamura | 3-6, 7-5, 6-4 | | match details | ||
| 12.03.23 | q 1 | Riko Sawayanagi | Anastasia Berezov | 6-3, 6-1 | | match details | ||
| 24.02.23 | 1/4 | Ayumi Koshiishi | Riko Sawayanagi | 6-3, 7-61 | | match details |  W15 Kuala | Hard |
| 23.02.23 | 2nd round | Riko Sawayanagi | Caroline Vernet | 6-1, 6-1 | | match details | ||
| 21.02.23 | 1st round | Riko Sawayanagi | Aoi Ito | 7-5, 6-0 | | match details | ||
| 16.02.23 | 2nd round | Jaeda Daniel | Riko Sawayanagi | 7-5, 6-4 | | match details | W15 Ipoh | Hard |
| 14.02.23 | 1st round | Riko Sawayanagi | Vivian Yang | 6-4, 6-0 | | match details | ||
| 09.02.23 | 2nd round | Olivia Gadecki | Riko Sawayanagi | 6-3, 4-6, 6-2 | | match details | W25 Burnie | Hard |
| 07.02.23 | 1st round | Riko Sawayanagi | Eri Shimizu | 6-3, 7-5 | | match details | ||
| 06.02.23 | qual. | Riko Sawayanagi | Yaroslava Bartashevich | 6-4, 6-1 | | match details | ||
| 30.01.23 | qual. | Elena Micic | Riko Sawayanagi | 2-6, 6-4, 6-3 | | match details | W60 Burnie | Hard |
| 02.01.23 | qual. | Patcharin Cheapchadej | Riko Sawayanagi | 6-2, 6-1 | | match details |  W40 Nonthaburi | Hard |
| 01.01.23 | q 1 | Riko Sawayanagi | Hiroko Kuwata | 7-68, 6-4 | | match details |
