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 2021 / superficie: Arcilla
Riko Sawayanagi / año 2021 / superficie: Arcilla
| 20.09.21 | c 2 | Dareen Elleithy | Riko Sawayanagi | 7-5, Riko Sawayanagi - retirado |  | match details |  W15 Cairo | Arcilla |
| 17.09.21 | 1/4 | Anastasia Zolotareva | Riko Sawayanagi | 6-3, 6-2 | | match details | W15 Cairo | Arcilla |
| 16.09.21 | 2da ronda | Riko Sawayanagi | Barbara Dessolis | 6-3, 7-63 |  | match details | ||
| 15.09.21 | 1er ronda | Riko Sawayanagi | Chelsea Vanhoutte | 3-6, 6-4, 6-0 | | match details | ||
| 06.09.21 | c 2 | Matilde Mariani | Riko Sawayanagi | 7-5, 6-1 | | match details | W15 Cairo | Arcilla |
| 03.09.21 | 1/4 | Lavinia Tanasie | Riko Sawayanagi | 6-3, 7-63 | | match details | W15 Cairo | Arcilla |
| 02.09.21 | 2da ronda | Riko Sawayanagi | Gaia Squarcialupi | 3-6, 6-3, 6-0 | | match details | ||
| 01.09.21 | 1er ronda | Riko Sawayanagi | Miho Kuramochi | 6-2, 6-3 | | match details | ||
| 21.06.21 | c 2 | Ivania Martinich | Riko Sawayanagi | 7-5, 4-1, Riko Sawayanagi - retirado | | match details |  W15 Antalya | Arcilla |
| 20.06.21 | c 1 | Riko Sawayanagi | Nehir Ergun | 6-0, 6-0 | | match details | ||
| 16.06.21 | 1er ronda | Jessie Aney | Riko Sawayanagi | 7-5, 6-1 | | match details | W15 Antalya | Arcilla |
| 15.06.21 | calif. | Riko Sawayanagi | Linda Sevcikova | 6-4, 6-2 | | match details | ||
| 14.06.21 | c 2 | Riko Sawayanagi | Mia Mack | 6-0, 6-0 | | match details | ||
| 13.06.21 | c 1 | Riko Sawayanagi | Andreea Velcea | 6-4, 7-5 | | match details | ||
| 10.06.21 | 2da ronda | Maria Herazo Gonzalez | Riko Sawayanagi | 6-2, 3-6, 6-4 | | match details | W15 Antalya | Arcilla |
| 09.06.21 | 1er ronda | Riko Sawayanagi | Doga Turkmen | 5-7, 6-4, 6-1 | | match details | ||
| 08.06.21 | calif. | Riko Sawayanagi | Jamilah Snells | 6-2, 6-4 | | match details | ||
| 07.06.21 | c 2 | Riko Sawayanagi | Costanza Traversi | 6-1, 6-1 | | match details | ||
| 06.06.21 | c 1 | Riko Sawayanagi | Eylul Akkoyun | 6-0, 6-0 | | match details |