Stadium: Court 3 Round: 62
| Launceston, Qualifications Simples W-WITF-AUS-02B | 2018/02/06 23:00 | Alexandra Bozovic v Sawayanagi, Riko | 6-0,6-3 |
| ITF Women Launceston Qual | 2018/02/04 23:00 | Sawayanagi, Riko v Nagi Hanatani | 6-4,6-3 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/16 04:00 | Buzarnescu, Mihaela v Sawayanagi, Riko | 6-2,6-1 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/15 01:00 | Kyoka Okamura v Sawayanagi, Riko | 6-7,5-7 |
| ITF Women Tokyo | 2017/11/08 04:00 | Tori Kinard v Sawayanagi, Riko | 7-6,6-4 |
| ITF Women Liuzhou | 2017/10/27 03:00 | Sawayanagi, Riko v Han, Xinyun | 4-6,6-4,2-6 |
| ITF Women Liuzhou | 2017/10/24 03:20 | Sawayanagi, Riko v Kang, Jia-Qi | 6-4,6-2 |
| Suzhou, Simples W-WITF-CHN-16A | 2017/10/19 05:10 | Jing-Jing Lu v Sawayanagi, Riko | 6-1,6-4 |
| ITF Women Toowoomba Qual | 2017/10/01 02:30 | Allgurin, Ellen v James, Elizabeth | 6-4,6-0 |
| ITF Women Brisbane Qual | 2017/09/24 02:30 | Talcott, Shelby v James, Elizabeth | 6-2,6-2 |
| Penrith, Simples W-WITF-AUS-09A | 2017/09/20 02:15 | James, Elizabeth v Mcbryde, Renee | 1-6,4-6 |
| ITF Women Penrith Qual | 2017/09/18 00:00 | Xiangruyi Ji v James, Elizabeth | 0-6,1-6 |
| ITF Women Penrith Qual | 2017/09/17 00:00 | Bozicevic, Isabella v James, Elizabeth | 0-6,3-6 |
| ITF Women Knokke | 2017/07/08 08:00 | Crouch, Mollie v James, Elizabeth | 6-1,6-4 |
| ITF Women Essen | 2017/06/04 11:00 | James, Elizabeth v Erkens, Michele | 1-6,5-7 |