Stadium: Court 5 Round: 25
| ITF Women Gimcheon | 2018/08/15 01:00 | Wijesundera, Rushri v Sakura Hosogi | 2-6,4-6 |
| ITF Women Dublin | 2018/08/02 13:25 | Byrne, Julie v Wijesundera, Rushri | 7-6,7-5 |
| ITF Women Dublin | 2018/07/31 09:00 | Keens, Taro v Wijesundera, Rushri | 6-4,3-6,2-6 |
| ITF Women Sandelfjord | 2018/07/23 09:00 | Nemtsova, Stephanie v Wijesundera, Rushri | 6-4,6-7,6-1 |
| ITF Women Parnu | 2018/07/17 12:55 | Wijesundera, Rushri v Iansitova, Svetlana | 2-6,3-6 |
| ITF Women Tel Aviv | 2018/06/05 07:30 | Wijesundera, Rushri v Nadel, Nicole | 1-6,6-2,0-6 |
| Naples, Qualifications Simples W-WITF-USA-15A | 2018/05/28 14:15 | Goncalves, Paula Cristina v Wijesundera, Rushri | 6-2,6-4 |
| Naples, Qualifications Simples W-WITF-USA-15A | 2018/05/27 14:00 | Pierson, Rachel May v Wijesundera, Rushri | 1-6,3-6 |
| ITF Women Hong Kong | 2018/07/12 02:00 | Eudice Chong v Reina Takahashi | 7-5,6-4 |
| ITF Women Hong Kong | 2018/07/09 05:55 | Reina Takahashi v Kawasaki, Mitsumi | 6-0,7-5 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/10 00:00 | Reina Takahashi v Misaki Matsuda | 6-7,1-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 04:00 | Reina Takahashi v Nishida, Nao | 6-2,6-3 |
| ITF Women Karuizawa Qual | 2018/05/21 02:40 | Hondo, Sakura v Reina Takahashi | 6-1,5-7,6-1 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | Kezuka, Chie v Reina Takahashi | 6-3,1-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 03:00 | Reina Takahashi v Shiho Akita | 4-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/21 05:35 | Reina Takahashi v Fujiwara, Rika | 6-7,7-6,3-6 |