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 2011 / surface: Carpet
Riko Sawayanagi / year 2011 / surface: Carpet
| 21.11.11 | q 2 | Riko Sawayanagi | Akiko Yonemura | 6-0, 1-6, 7-5 |  | match details |  Toyota | Carpet |
| 21.11.11 | qual. | Ayumi Oka | Riko Sawayanagi | 4-6, 6-2, 6-1 |  | match details | ||
| 21.11.11 | q 1 | Riko Sawayanagi | Yuuki Tanaka | 6-3, 6-4 | | match details | ||
| 12.09.11 | 1st round | Riko Sawayanagi | Maya Kato | 6-2, 6-1 | | match details | Kyoto | Carpet |
| 12.09.11 | 2nd round | Aki Yamasoto | Riko Sawayanagi | 6-2, 6-2 | | match details | ||
| 05.09.11 | 2nd round | Misa Eguchi | Riko Sawayanagi | 6-2, 6-1 | | match details | Noto | Carpet |
| 05.09.11 | q 2 | Riko Sawayanagi | Miyabi Inoue | 7-64, 6-71, 6-2 | | match details | ||
| 05.09.11 | qual. | Riko Sawayanagi | Nozomi Fujioka | 6-2, 3-6, 6-3 | | match details | ||
| 05.09.11 | 1st round | Riko Sawayanagi | Chisa Hosonuma | 6-4, 6-1 | | match details | ||
| 05.09.11 | q 1 | Riko Sawayanagi | Chinatsu Ito | 6-3, 6-2 | | match details | ||
| 30.05.11 | 1/4 | Riko Sawayanagi | Yuuki Tanaka | 6-3, 4-6, 6-3 | | match details | Mie | Carpet |
| 30.05.11 | 1/2 | Riko Sawayanagi | Yumi Miyazaki | 1-6, 6-2, 6-2 | | match details | ||
| 30.05.11 | 1st round | Riko Sawayanagi | Kaori Aoyama | 7-65, 4-1, Kaori Aoyama - retired | | match details | ||
| 30.05.11 | 2nd round | Riko Sawayanagi | Chihiro Nunome | 6-3, 6-2 | | match details | ||
| 30.05.11 | fin | Miharu Imanishi | Riko Sawayanagi | 6-4, 6-3 | | match details | ||
| 16.05.11 | 1st round | Riko Sawayanagi | Shuko Aoyama | 2-6, 6-3, 6-4 | | match details | Karuizawa | Carpet |
| 16.05.11 | q 1 | Riko Sawayanagi | Mikuko Nakayama | 6-3, 6-0 | | match details | ||
| 16.05.11 | 2nd round | Misa Eguchi | Riko Sawayanagi | 6-4, 6-1 | | match details | ||
| 16.05.11 | qual. | Riko Sawayanagi | Kazusa Ito | 6-1, 4-6, 6-4 | | match details |
