Nombre: Riko Sawayanagi
País: Japan
Fecha de nacimiento: 25.10.94, 31 años
WTA ranking: 853
TOP posición de la clasificación: 178 (05.10.15, 28500 puntos)
Puntos: 29
Dinero del premio: 187859 $
Partidos totales: 440
ganar: 245
%: 55.68 %
País: Japan
Fecha de nacimiento: 25.10.94, 31 años
WTA ranking: 853
TOP posición de la clasificación: 178 (05.10.15, 28500 puntos)
Puntos: 29
Dinero del premio: 187859 $
Partidos totales: 440
ganar: 245
%: 55.68 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 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 |
| porc. % | 55.68 % | 54.18 % | 57.58 % | 0 % | 65 % | 51.35 % | 0 % |
Riko Sawayanagi / programado / pasado
| No se encontraron partidos |
Riko Sawayanagi form / año 2013 / superficie: Difícil
Riko Sawayanagi / año 2013 / superficie: Difícil
| 16.12.13 | 1er ronda | Heidi El Tabakh | Riko Sawayanagi | 7-62, 6-1 |  | match details |  Merida | Difícil |
| 16.12.13 | calif. | Riko Sawayanagi | Gloria Liang | 4-6, 6-3, 6-4 |  | match details | ||
| 09.12.13 | c 2 | Riko Sawayanagi | Mariaryeni Gutierrez | 6-1, 6-0 | | match details | Merida | Difícil |
| 09.12.13 | calif. | Alejandra Cisneros | Riko Sawayanagi | 2-6, 7-5, 6-2 | | match details | ||
| 02.12.13 | 1er ronda | Riko Sawayanagi | Laura Pigossi | 6-4, 6-1 | | match details | Merida | Difícil |
| 02.12.13 | c 1 | Riko Sawayanagi | Rosalia Alda | 6-1, 7-69 | | match details | ||
| 02.12.13 | 2da ronda | Maria Irigoyen | Riko Sawayanagi | 1-6, 6-4, 6-1 | | match details | ||
| 02.12.13 | calif. | Riko Sawayanagi | Elisabeth Fournier | 6-3, 6-4 | | match details | ||
| 26.08.13 | 1/4 | Nao Hibino | Riko Sawayanagi | 6-2, 6-2 | | match details |  Tsukuba | Difícil |
| 26.08.13 | c 1 | Riko Sawayanagi | Yuka Mori | 6-1, 6-0 | | match details | ||
| 26.08.13 | calif. | Riko Sawayanagi | Ya-Hsuan Lee | 6-1, 6-2 | | match details | ||
| 26.08.13 | 2da ronda | Riko Sawayanagi | Suzuka Furukawa | 6-3, 6-1 | | match details | ||
| 26.08.13 | 1er ronda | Riko Sawayanagi | Storm Hunter | 6-4, 6-4 | | match details | ||
| 29.07.13 | 1er ronda | Riko Sawayanagi | Ashley Murdock | 6-3, 6-1 | | match details |  Fort Worth | Difícil |
| 29.07.13 | 2da ronda | Veronica Corning | Riko Sawayanagi | 6-3, 6-4 | | match details | ||
| 22.07.13 | 1er ronda | Riko Sawayanagi | Sonja Molnar | 6-4, 6-2 | | match details |  Winnipeg | Difícil |
| 22.07.13 | calif. | Riko Sawayanagi | Lauren Chypyha | 6-2, 6-2 | | match details | ||
| 22.07.13 | 2da ronda | Samantha Murray | Riko Sawayanagi | 7-5, 6-3 | | match details | ||
| 15.07.13 | c 1 | Riko Sawayanagi | Maja Vujic | 6-2, 6-0 | | match details | Granby | Difícil |
| 15.07.13 | 1/4 | Samantha Murray | Riko Sawayanagi | 6-1, 6-1 | | match details | ||
| 15.07.13 | calif. | Riko Sawayanagi | Gloria Liang | 7-5, 4-6, 6-2 | | match details | ||
| 15.07.13 | 2da ronda | Riko Sawayanagi | Jade Windley | 6-3, 7-5 | | match details | ||
| 15.07.13 | 1er ronda | Riko Sawayanagi | Lena Litvak | 6-4, 7-5 | | match details | ||
| 24.06.13 | 1/4 | Ling Zhang | Riko Sawayanagi | 6-4, 7-64 | | match details |  Gimcheon | Difícil |
| 24.06.13 | 1er ronda | Riko Sawayanagi | Suyeon Choi | 6-1, 6-1 | | match details | ||
| 24.06.13 | 2da ronda | Riko Sawayanagi | Hye-Min Lee | 7-67, 6-4 | | match details | ||
| 17.06.13 | 2da ronda | Na-Ri Kim | Riko Sawayanagi | 6-1, 6-2 | | match details | Gimcheon | Difícil |
| 17.06.13 | 1er ronda | Riko Sawayanagi | Ji-Hee Choi | 6-0, 6-1 | | match details | ||
| 10.06.13 | 1er ronda | Su Jeong Jang | Riko Sawayanagi | 0-6, 6-4, 6-2 | | match details | Gimcheon | Difícil |
| 29.04.13 | calif. | Yue-Yue Hu | Riko Sawayanagi | 1-6, 6-3, 6-0 | | match details | Gifu | Difícil |
| 29.04.13 | c 1 | Riko Sawayanagi | Yumi Miyazaki | 6-4, 4-6, 6-4 | | match details | ||
| 29.04.13 | c 2 | Riko Sawayanagi | Emily Webley-Smith | 6-1, 6-0 | | match details | ||
| 18.03.13 | 2da ronda | Hiroko Kuwata | Riko Sawayanagi | 6-3, 6-3 | | match details | Kofu | Difícil |
| 18.03.13 | 1er ronda | Riko Sawayanagi | Kazusa Ito | 6-3, 6-3 | | match details |