Stadium: Court 5 Round: 25
| ITF Women Gimcheon | 2018/08/15 01:00 | 위제순데라, 루스리 v 호소기, 사쿠라 | 2-6,4-6 |
| ITF Women Dublin | 2018/08/02 13:25 | Byrne, Julie v 위제순데라, 루스리 | 7-6,7-5 |
| ITF Women Dublin | 2018/07/31 09:00 | Keens, Taro v 위제순데라, 루스리 | 6-4,3-6,2-6 |
| ITF Women Sandelfjord | 2018/07/23 09:00 | Nemtsova, Stephanie v 위제순데라, 루스리 | 6-4,6-7,6-1 |
| ITF Women Parnu | 2018/07/17 12:55 | 위제순데라, 루스리 v Iansitova, Svetlana | 2-6,3-6 |
| Tel Aviv-Ramat Gan, Singles W-C10-ISR-08A | 2018/06/05 07:30 | 위제순데라, 루스리 v 나델, 니콜 | 1-6,6-2,0-6 |
| Naples, Singles Qualifying W-WITF-USA-15A | 2018/05/28 14:15 | 곤칼베스, 파울라 크리스티나 v 위제순데라, 루스리 | 6-2,6-4 |
| Naples, Singles Qualifying W-WITF-USA-15A | 2018/05/27 14:00 | Pierson, Rachel May v 위제순데라, 루스리 | 1-6,3-6 |
| ITF Women Hong Kong | 2018/07/12 02:00 | 총, 에우디스 웡 v Takahashi, Reina | 7-5,6-4 |
| ITF Women Hong Kong | 2018/07/09 05:55 | Takahashi, Reina v Kawasaki, Mitsumi | 6-0,7-5 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/10 00:00 | Takahashi, Reina v 마츠다 M , 미사키 | 6-7,1-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 04:00 | Takahashi, Reina v Nishida, Nao | 6-2,6-3 |
| ITF Women Karuizawa Qual | 2018/05/21 02:40 | 혼도, 사쿠라 v Takahashi, Reina | 6-1,5-7,6-1 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | 케즈카, 치에 v Takahashi, Reina | 6-3,1-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 03:00 | Takahashi, Reina v 아키타, 시호 | 4-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/21 05:35 | Takahashi, Reina v Fujiwara, Rika | 6-7,7-6,3-6 |