Nume: Riko Sawayanagi
Ţara: Japonia
Data naşterii: 25.10.94, 29 Vârsta
Clasament WTA: 853
TOP poziţie în clasament: 178 (05.10.15, 28500 puncte)
Puncte: 29
Premii: 187859 $
Total meciuri: 440
Victorii: 245
Succes: 55.68 %
Ţara: Japonia
Data naşterii: 25.10.94, 29 Vârsta
Clasament WTA: 853
TOP poziţie în clasament: 178 (05.10.15, 28500 puncte)
Puncte: 29
Premii: 187859 $
Total meciuri: 440
Victorii: 245
Succes: 55.68 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 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 |
| ÎN TOTAL | 245/195 | 149/126 | 38/28 | 0/2 | 39/21 | 19/18 | 0/0 |
| succes % | 55.68 % | 54.18 % | 57.58 % | 0 % | 65 % | 51.35 % | 0 % |
Riko Sawayanagi / nejucate / ultimele
| nu a fost găsit nici un meci |
Riko Sawayanagi form / suprafaţa: Carpet
Riko Sawayanagi / suprafaţa: Carpet
| 28.09.22 | 1-a rundă | Haruka Kaji | Riko Sawayanagi | 6-1, 6-4 |  | detaliu meci |  W25 Nanao | Carpet |
| 16.10.19 | 1-a rundă | Paula Badosa Gibert | Riko Sawayanagi | 6-4, 6-1 | | detaliu meci | W25 Hamamatsu | Carpet |
| 20.10.18 | Semifinală | Mana Ayukawa | Riko Sawayanagi | 6-1, 6-3 | | detaliu meci | Hamamatsu | Carpet |
| 19.10.18 | Sfert de finală | Riko Sawayanagi | Susan Bandecchi | 7-5, 6-4 |  | detaliu meci | ||
| 18.10.18 | a 2-a rundă | Riko Sawayanagi | Miyabi Inoue | 6-3, 4-6, 6-3 | | detaliu meci | ||
| 17.10.18 | 1-a rundă | Riko Sawayanagi | Kisa Yoshioka | 6-1, 6-1 | | detaliu meci | ||
| 29.08.18 | 1-a rundă | Shiho Akita | Riko Sawayanagi | 6-75, 6-1, 7-5 | | detaliu meci | Nanao | Carpet |
| 16.11.17 | a 2-a rundă | Mihaela Buzarnescu | Riko Sawayanagi | 6-2, 6-1 | | detaliu meci | Toyota | Carpet |
| 15.11.17 | 1-a rundă | Riko Sawayanagi | Kyoka Okamura | 7-62, 7-5 | | detaliu meci | ||
| 19.05.17 | Sfert de finală | Erina Hayashi | Riko Sawayanagi | 6-1, 1-6, 6-3 | | detaliu meci | Kurume | Carpet |
| 18.05.17 | a 2-a rundă | Riko Sawayanagi | Olivia Tjandramulia | 4-6, 6-0, 6-3 | | detaliu meci | ||
| 15.05.17 | 1-a rundă | Riko Sawayanagi | Mihoki Miyahara | 6-3, 6-3 | | detaliu meci | ||
| 11.05.17 | a 2-a rundă | Varatchaya Wongteanchai | Riko Sawayanagi | 7-5, 6-4 | | detaliu meci | Fukuoka | Carpet |
| 10.05.17 | 1-a rundă | Riko Sawayanagi | Yukina Saigo | 6-0, 4-6, 6-2 | | detaliu meci | ||
| 15.11.16 | 1-a rundă | Julia Boserup | Riko Sawayanagi | 6-2, 7-5 | | detaliu meci | .png){kind=small} Taipei | Carpet |
| 22.10.16 | Semifinală | Shuko Aoyama | Riko Sawayanagi | 7-66, 4-6, 6-4 | | detaliu meci | Hamamatsu | Carpet |
| 21.10.16 | Sfert de finală | Riko Sawayanagi | Magdalena Frech | 6-77, 6-4, 6-1 | | detaliu meci | ||
| 20.10.16 | a 2-a rundă | Riko Sawayanagi | Misaki Matsuda | 6-2, 6-2 | | detaliu meci | ||
| 19.10.16 | 1-a rundă | Riko Sawayanagi | Ching-Wen Hsu | 6-71, 7-5, 6-3 | | detaliu meci | ||
| 15.10.16 | Finală | Ksenia Lykina | Riko Sawayanagi | 6-3, 6-3 | | detaliu meci | Makinohara | Carpet |
| 15.10.16 | Semifinală | Riko Sawayanagi | Haruna Arakawa | 6-2, 6-2 | | detaliu meci | ||
| 13.10.16 | a 2-a rundă | Riko Sawayanagi | Miharu Imanishi | 6-2, 6-4 | | detaliu meci | ||
| 13.10.16 | Sfert de finală | Riko Sawayanagi | Ayano Shimizu | 5-7, 6-2, 6-3 | | detaliu meci | ||
| 10.10.16 | 1-a rundă | Riko Sawayanagi | Anri Nagata | 6-1, 6-2 | | detaliu meci | ||
| 01.09.16 | Sfert de finală | Momoko Kobori | Riko Sawayanagi | 6-4, 6-2 | | detaliu meci | Noto | Carpet |
| 01.09.16 | a 2-a rundă | Riko Sawayanagi | Chihiro Nunome | 6-4, 6-3 | | detaliu meci | ||
| 31.08.16 | 1-a rundă | Riko Sawayanagi | Aiko Yoshitomi | 6-2, 6-2 | | detaliu meci | ||
| 23.11.15 | 1-a rundă | Misa Eguchi | Riko Sawayanagi | 6-1, 6-1 | | detaliu meci | Toyota | Carpet |
| 17.11.14 | 1-a rundă | Yuuki Tanaka | Riko Sawayanagi | 7-5, 3-6, 6-2 | | detaliu meci | Toyota | Carpet |
| 20.10.14 | Sfert de finală | Riko Sawayanagi | Nao Hibino | 7-5, 6-0 | | detaliu meci | Hamamatsu | Carpet |
| 20.10.14 | Semifinală | Riko Sawayanagi | Shuko Aoyama | 6-4, 6-2 | | detaliu meci | ||
| 20.10.14 | 1-a rundă | Riko Sawayanagi | Yuka Higuchi | 6-3, 6-1 | | detaliu meci | ||
| 20.10.14 | Finală | Riko Sawayanagi | Junri Namigata | 2-6, 6-2, 6-3 | | detaliu meci | ||
| 20.10.14 | a 2-a rundă | Riko Sawayanagi | Miki Miyamura | 6-3, 6-1 | | detaliu meci | ||
| 01.09.14 | 1-a rundă | Riko Sawayanagi | Yurika Sema | 6-2, 6-1 | | detaliu meci | Noto | Carpet |
| 01.09.14 | a 2-a rundă | Monique Adamczak | Riko Sawayanagi | 6-3, 3-6, 6-3 | | detaliu meci | ||
| 18.11.13 | 1-a rundă de calif. | Akiko Omae | Riko Sawayanagi | 6-2, 6-2 | | detaliu meci | Toyota | Carpet |
| 21.11.12 | 1-a rundă | Stefanie Voegele | Riko Sawayanagi | 6-1, 6-2 | | detaliu meci | Toyota | Carpet |
| 19.11.12 | 1-a rundă de calif. | Riko Sawayanagi | Chihiro Nunome | 6-1, 6-2 | | detaliu meci | ||
| 19.11.12 | 2-a rundă de calif. | Riko Sawayanagi | So-Ra Lee | 6-4, 6-3 | | detaliu meci | ||
| 19.11.12 | Calificare | Riko Sawayanagi | Wen-Hsin Hsu | 7-63, 1-6, 6-4 | | detaliu meci | ||
| 21.11.11 | 2-a rundă de calif. | Riko Sawayanagi | Akiko Yonemura | 6-0, 1-6, 7-5 | | detaliu meci | Toyota | Carpet |
| 21.11.11 | Calificare | Ayumi Oka | Riko Sawayanagi | 4-6, 6-2, 6-1 | | detaliu meci | ||
| 21.11.11 | 1-a rundă de calif. | Riko Sawayanagi | Yuuki Tanaka | 6-3, 6-4 | | detaliu meci | ||
| 12.09.11 | a 2-a rundă | Aki Yamasoto | Riko Sawayanagi | 6-2, 6-2 | | detaliu meci | Kyoto | Carpet |
| 12.09.11 | 1-a rundă | Riko Sawayanagi | Maya Kato | 6-2, 6-1 | | detaliu meci | ||
| 05.09.11 | 2-a rundă de calif. | Riko Sawayanagi | Miyabi Inoue | 7-64, 6-71, 6-2 | | detaliu meci | Noto | Carpet |
| 05.09.11 | Calificare | Riko Sawayanagi | Nozomi Fujioka | 6-2, 3-6, 6-3 | | detaliu meci | ||
| 05.09.11 | 1-a rundă | Riko Sawayanagi | Chisa Hosonuma | 6-4, 6-1 | | detaliu meci | ||
| 05.09.11 | a 2-a rundă | Misa Eguchi | Riko Sawayanagi | 6-2, 6-1 | | detaliu meci | ||
| 05.09.11 | 1-a rundă de calif. | Riko Sawayanagi | Chinatsu Ito | 6-3, 6-2 | | detaliu meci | ||
| 30.05.11 | Semifinală | Riko Sawayanagi | Yumi Miyazaki | 1-6, 6-2, 6-2 | | detaliu meci | Mie | Carpet |
| 30.05.11 | 1-a rundă | Riko Sawayanagi | Kaori Aoyama | 7-65, 4-1, Kaori Aoyama - retragere | | detaliu meci | ||
| 30.05.11 | Finală | Miharu Imanishi | Riko Sawayanagi | 6-4, 6-3 | | detaliu meci | ||
| 30.05.11 | a 2-a rundă | Riko Sawayanagi | Chihiro Nunome | 6-3, 6-2 | | detaliu meci | ||
| 30.05.11 | Sfert de finală | Riko Sawayanagi | Yuuki Tanaka | 6-3, 4-6, 6-3 | | detaliu meci | ||
| 16.05.11 | a 2-a rundă | Misa Eguchi | Riko Sawayanagi | 6-4, 6-1 | | detaliu meci | Karuizawa | Carpet |
| 16.05.11 | 1-a rundă de calif. | Riko Sawayanagi | Mikuko Nakayama | 6-3, 6-0 | | detaliu meci | ||
| 16.05.11 | Calificare | Riko Sawayanagi | Kazusa Ito | 6-1, 4-6, 6-4 | | detaliu meci | ||
| 16.05.11 | 1-a rundă | Riko Sawayanagi | Shuko Aoyama | 2-6, 6-3, 6-4 | | detaliu meci |
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