Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Hamamatsu | 2019/10/16 01:00 | Paula Badosa v Riko Sawayanagi | 6-4,6-1 |
| ITF Women Hamamatsu | 2018/10/20 03:15 | Riko Sawayanagi v Mana Ayukawa | 1-6,3-6 |
| ITF Women Hamamatsu | 2018/10/19 03:40 | Susan Bandecchi v Riko Sawayanagi | 5-7,4-6 |
| ITF Women Hamamatsu | 2018/10/18 01:00 | Riko Sawayanagi v Miyabi Inoue | 6-3,4-6,6-3 |
| ITF Women Hamamatsu | 2018/10/17 04:10 | Riko Sawayanagi v Kisa Yoshioka | 6-1,6-1 |
| ITF Women Nanao | 2018/08/29 06:40 | Shiho Akita v Riko Sawayanagi | 6-7,6-1,7-5 |
| ITF Women Tsukuba | 2018/08/21 00:30 | Riko Sawayanagi v Momoko Kobori | 4-6,3-6 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | Riko Sawayanagi v Mayu Iwai | 6-0,1-6,2-6 |
| ITF W15 Antalya | 2019/10/13 07:00 | Alana Tuayeva v Antonia Schmidt | 1-6,5-7 |
| ITF W15 Antalya | 2019/10/07 08:00 | Antonia Schmidt v Alana Tuayeva | 6-4,6-2 |
| ITF W15 Antalya | 2019/10/06 10:00 | Arina Atyushova v Alana Tuayeva | 3-6,4-6 |
| ITF W15 Antalya | 2019/09/29 07:30 | Emily Welker v Alana Tuayeva | 6-1,6-1 |
| ITF W15 Moscow | 2019/08/19 07:00 | Alana Tuayeva v Kseniya Yersh | 0-6,7-6,7-10 |
| ITF W15 Moscow | 2019/08/12 07:00 | Alana Tuayeva v Maria Daniels Sierra | 6-4,5-7,5-10 |
| ITF W15 Antalya | 2019/02/25 07:00 | Alana Tuayeva v Rina Saigo | 1-6,0-6 |
| ITF W15 Antalya | 2019/02/12 09:00 | Alana Tuayeva v Ayaka Okuno | 0-6,2-6 |