Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF Women Hua Hin | 2018/12/05 04:30 | Olga Helmi v Jessie Aney | 6-1,7-6 |
| ITF Women Hua Hin | 2018/12/03 06:05 | Himeno Sakatsume v Olga Helmi | 3-6,7-5,2-6 |
| ITF Women Hua Hin | 2018/11/27 03:00 | Olga Helmi v Aldila Sutjiadi | 1-6,5-7 |
| ITF Women Lousada | 2018/10/26 11:45 | Olga Helmi v Aubane Droguet | 3-6,4-6 |
| ITF Women Lousada | 2018/10/25 14:35 | Olga Helmi v Mariana Campino | 6-1,2-6,6-0 |
| ITF Women Lousada | 2018/10/24 15:35 | Olga Helmi v Ana Filipa Santos | 6-4,6-2 |
| ITF Women Monastir | 2018/10/11 11:35 | Ilona-Georgiana Ghioroaie v Olga Helmi | 6-3,3-6,6-2 |
| ITF Women Monastir | 2018/10/09 11:00 | Olga Helmi v Klaudia Wira | 6-1,6-2 |
| ITF Women Hua Hin | 2018/12/05 04:30 | Sakura Hosogi v Yexin Ma | 6-2,4-6,6-1 |
| ITF Women Hua Hin | 2018/12/03 03:00 | Natthapat Piwbangruk v Sakura Hosogi | 0-6,2-6 |
| ITF Women Hua Hin | 2018/11/28 03:00 | Bunyawi Thamchaiwat v Sakura Hosogi | 6-1,6-4 |
| ITF Women Hua Hin | 2018/11/27 03:00 | Sakura Hosogi v Elle Christensen | 6-0,2-6,6-3 |
| ITF Women Antalya | 2018/11/20 08:50 | Sakura Hosogi v Kirsten-Andrea Weedon | 6-7,1-6 |
| ITF Women Antalya | 2018/11/15 08:40 | Sofia Dmitrieva v Sakura Hosogi | 6-3,6-4 |
| ITF Women Antalya | 2018/11/14 07:00 | Sakura Hosogi v Ekaterina Vl. Makarova | 6-4,6-3 |
| ITF Women Hamamatsu | 2018/10/14 02:00 | Miyu Nakashima v Sakura Hosogi | 6-4,7-5 |