Stadium: C Round: 25
| ITF Women Honolulu | 2018/07/10 22:00 | Nao Hibino v Olivia Tjandramulia | 4-6,6-4,6-2 |
| ITF Women Daegu | 2018/06/22 03:00 | Olivia Tjandramulia v Kai-Chen Chang | 1-6,4-6 |
| ITF Women Daegu | 2018/06/21 03:00 | Olivia Tjandramulia v Dabin Kim | 7-5,6-1 |
| ITF Women Daegu | 2018/06/19 08:20 | Olivia Tjandramulia v Na-Young Lee | 6-2,6-0 |
| ITF Women Singapore | 2018/06/11 02:00 | Mai Minokoshi v Olivia Tjandramulia | 6-4,6-2 |
| ITF Women Singapore | 2018/06/04 05:40 | Olivia Tjandramulia v Zoe Hives | 3-6,5-7 |
| ITF Women Baotou | 2018/05/23 03:30 | Olivia Tjandramulia v Shilin Xu | 4-6,2-6 |
| ITF Women Kurume | 2018/05/17 01:00 | Tammi Patterson v Olivia Tjandramulia | 5-7,6-4,6-4 |
| ITF Women Surbiton | 2018/06/04 11:00 | Olivia Rogowska v Danielle Lao | 4-6,4-6 |
| French Open Women Qual | 2018/05/22 12:20 | Olivia Rogowska v Kathinka Von Deichmann | 7-5,6-7,3-6 |
| ITF Women Saint Gaudens | 2018/05/14 11:30 | Jaimee Fourlis v Olivia Rogowska | 6-4,4-6,6-4 |
| ITF Women Cagnes-Sur-Mer | 2018/05/08 13:25 | Olivia Rogowska v Dayana Yastremska | 5-7,2-6 |
| ITF Women Balatonboglar | 2018/05/02 09:00 | Olivia Rogowska v Daniela Vismane | 4-6,2-6 |
| ITF Women Balatonboglar | 2018/05/01 08:00 | Olivia Rogowska v Kimberley Zimmermann | 6-3,6-2 |
| ITF Women Kashiwa | 2018/04/03 02:35 | Destanee Aiava v Olivia Rogowska | 6-3,6-2 |
| ITF Women Kofu | 2018/03/28 01:00 | Julia Wachaczyk v Olivia Rogowska | 4-6,6-3,6-3 |