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 / surface: Clay
Riko Sawayanagi / surface: Clay
| 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 | ||
| 20.04.22 | 1st round | Eva Garkusha | Riko Sawayanagi | 6-2, 4-6, 6-2 | | match details |  W15 Antalya | Clay |
| 12.04.22 | 1st round | Natalia Szabanin | Riko Sawayanagi | 6-1, 6-1 | | match details | W15 Antalya | Clay |
| 03.04.22 | q 1 | Krystyna Pochtovyk | Riko Sawayanagi | 7-67, Riko Sawayanagi - retired | | match details | W15 Antalya | Clay |
| 28.03.22 | q 2 | Marta Huqi Gonzalez Encinas | Riko Sawayanagi | 6-0, 6-4 | | match details | W15 Antalya | Clay |
| 27.03.22 | q 1 | Riko Sawayanagi | Javiera Verdugo | 6-1, 6-1 | | match details | ||
| 22.03.22 | qual. | Barbara Dessolis | Riko Sawayanagi | 3-6, 6-3, 10-8 | | match details | W15 Antalya | Clay |
| 21.03.22 | q 2 | Riko Sawayanagi | Bianca Bulat | 6-2, 6-4 | | match details | ||
| 26.01.22 | 1st round | Anna Ureke | Riko Sawayanagi | 7-5, 7-63 | | match details |  W25 Cairo | Clay |
| 25.01.22 | qual. | Riko Sawayanagi | Adrienn Nagy | 1-6, 7-65, 10-5 | | match details | ||
| 24.01.22 | q 2 | Riko Sawayanagi | Maria Charl | 6-1, 6-1 | | match details | ||
| 20.01.22 | 2nd round | Sinja Kraus | Riko Sawayanagi | 6-2, 7-5 | | match details | W15 Cairo | Clay |
| 19.01.22 | 1st round | Riko Sawayanagi | Joody Elkady | 6-1, 6-0 | | match details | ||
| 18.01.22 | qual. | Riko Sawayanagi | Camille Moga | 6-2, 6-2 | | match details | ||
| 17.01.22 | q 2 | Riko Sawayanagi | Habiba Mohamed Yousry Ahmed | 6-0, 6-0 | | match details | ||
| 14.01.22 | 1/4 | Anna Ureke | Riko Sawayanagi | 7-63, 6-3 | | match details | W15 Cairo | Clay |
| 13.01.22 | 2nd round | Riko Sawayanagi | Mariia Tkacheva | 1-6, 7-5, 7-5 | | match details | ||
| 12.01.22 | 1st round | Riko Sawayanagi | Youmi Zhuoma | 6-2, 6-1 | | match details | ||
| 08.01.22 | 1/2 | Anastasia Nefedova | Riko Sawayanagi | 5-7, 6-2, 6-4 | | match details | W15 Cairo | Clay |
| 07.01.22 | 1/4 | Riko Sawayanagi | Mariia Tkacheva | 6-2, 5-7, 6-1 | | match details | ||
| 06.01.22 | 2nd round | Riko Sawayanagi | Vladlena Bokova | 6-4, 6-0 | | match details | ||
| 05.01.22 | 1st round | Riko Sawayanagi | Habiba El_anany | 6-1, 6-2 | | match details | ||
| 20.09.21 | q 2 | Dareen Elleithy | Riko Sawayanagi | 7-5, Riko Sawayanagi - retired | | match details | W15 Cairo | Clay |
| 17.09.21 | 1/4 | Anastasia Zolotareva | Riko Sawayanagi | 6-3, 6-2 | | match details | W15 Cairo | Clay |
| 16.09.21 | 2nd round | Riko Sawayanagi | Barbara Dessolis | 6-3, 7-63 | | match details | ||
| 15.09.21 | 1st round | Riko Sawayanagi | Chelsea Vanhoutte | 3-6, 6-4, 6-0 | | match details | ||
| 06.09.21 | q 2 | Matilde Mariani | Riko Sawayanagi | 7-5, 6-1 | | match details | W15 Cairo | Clay |
| 03.09.21 | 1/4 | Lavinia Tanasie | Riko Sawayanagi | 6-3, 7-63 | | match details | W15 Cairo | Clay |
| 02.09.21 | 2nd round | Riko Sawayanagi | Gaia Squarcialupi | 3-6, 6-3, 6-0 | | match details | ||
| 01.09.21 | 1st round | Riko Sawayanagi | Miho Kuramochi | 6-2, 6-3 | | match details | ||
| 21.06.21 | q 2 | Ivania Martinich | Riko Sawayanagi | 7-5, 4-1, Riko Sawayanagi - retired | | match details | W15 Antalya | Clay |
| 20.06.21 | q 1 | Riko Sawayanagi | Nehir Ergun | 6-0, 6-0 | | match details | ||
| 16.06.21 | 1st round | Jessie Aney | Riko Sawayanagi | 7-5, 6-1 | | match details | W15 Antalya | Clay |
| 15.06.21 | qual. | Riko Sawayanagi | Linda Sevcikova | 6-4, 6-2 | | match details | ||
| 14.06.21 | q 2 | Riko Sawayanagi | Mia Mack | 6-0, 6-0 | | match details | ||
| 13.06.21 | q 1 | Riko Sawayanagi | Andreea Velcea | 6-4, 7-5 | | match details | ||
| 10.06.21 | 2nd round | Maria Herazo Gonzalez | Riko Sawayanagi | 6-2, 3-6, 6-4 | | match details | W15 Antalya | Clay |
| 09.06.21 | 1st round | Riko Sawayanagi | Doga Turkmen | 5-7, 6-4, 6-1 | | match details | ||
| 08.06.21 | qual. | Riko Sawayanagi | Jamilah Snells | 6-2, 6-4 | | match details | ||
| 07.06.21 | q 2 | Riko Sawayanagi | Costanza Traversi | 6-1, 6-1 | | match details | ||
| 06.06.21 | q 1 | Riko Sawayanagi | Eylul Akkoyun | 6-0, 6-0 | | match details | ||
| 23.05.17 | q 1 | Tereza Martincova | Riko Sawayanagi | 6-4, 6-3 | | match details |  Paris | Clay |
| 23.04.17 | 1st round | Valentini Grammatikopoulou | Riko Sawayanagi | 6-2, 2-0, Riko Sawayanagi - retired | | match details |  Anning | Clay |
| 17.05.16 | q 1 | Tereza Smitkova | Riko Sawayanagi | 6-3, 6-0 | | match details | Paris | Clay |
| 29.01.16 | 1st round | Riko Sawayanagi | Olga Puchkova | 6-2, 6-3 | | match details |  Sunrise | Clay |
| 29.01.16 | 2nd round | Elizabeth Halbauer | Riko Sawayanagi | 2-6, 7-64, 6-4 | | match details | ||
| 20.01.16 | 1st round | Kayla Day | Riko Sawayanagi | 4-6, 6-3, 6-1 | | match details | Wesley Chapel | Clay |
| 23.02.15 | 1st round | Riko Sawayanagi | Cristina Ene | 2-6, 6-0, 6-2 | | match details |  Aurangabad | Clay |
| 23.02.15 | 1/4 | Dalila Jakupovic | Riko Sawayanagi | 6-3, 1-0, Riko Sawayanagi - retired | | match details | ||
| 23.02.15 | 2nd round | Riko Sawayanagi | Katy Dunne | 6-1, 7-5 | | match details | ||
| 26.01.15 | q 1 | Riko Sawayanagi | Jainy Scheepens | 6-2, 6-3 | | match details | Sunrise | Clay |
| 26.01.15 | q 2 | Chiara Scholl | Riko Sawayanagi | 6-3, 6-2 | | match details | ||
| 19.01.15 | 1st round | Sofia Arvidsson | Riko Sawayanagi | 6-4, 7-61 | | match details | Daytona Beach | Clay |
| 12.01.15 | 2nd round | Kristie Ahn | Riko Sawayanagi | 7-65, 6-0 | | match details | Plantation | Clay |
| 12.01.15 | 1st round | Riko Sawayanagi | Beatriz Garcia-Vidagany | 6-4, 6-2 | | match details | ||
| 28.04.14 | 2nd round | Saisai Zheng | Riko Sawayanagi | 6-2, 6-2 | | match details | Aning | Clay |
| 28.04.14 | qual. | Riko Sawayanagi | Boyan Wang | 6-1, 6-2 | | match details | ||
| 28.04.14 | 1st round | Riko Sawayanagi | Ao Gai | 6-4, 1-6, 6-1 | | match details | ||
| 28.04.14 | q 1 | Riko Sawayanagi | Naoko Eto | 6-0, 6-2 | | match details | ||
| 28.04.14 | q 2 | Riko Sawayanagi | Ayaka Okuno | 6-4, 6-3 | | match details |