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 Chang, Kai-Chen | 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 Lee, Na-Young | 6-2,6-0 |
| ITF Women Singapore | 2018/06/11 02:00 | Minokoshi, Mai 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 Xu, Shilin | 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 | Rogowska, Olivia v Lao, Danielle | 4-6,4-6 |
| French Open Women Qual | 2018/05/22 12:20 | Rogowska, Olivia v Kathinka Von Deichmann | 7-5,6-7,3-6 |
| ITF Women Saint Gaudens | 2018/05/14 11:30 | Jaimee Fourlis v Rogowska, Olivia | 6-4,4-6,6-4 |
| ITF Women Cagnes-Sur-Mer | 2018/05/08 13:25 | Rogowska, Olivia v Dayana Yastremska | 5-7,2-6 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/02 09:00 | Rogowska, Olivia v Daniela Vismane | 4-6,2-6 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/01 08:00 | Rogowska, Olivia v Zimmermann, Kimberley | 6-3,6-2 |
| ITF Women Kashiwa | 2018/04/03 02:35 | Destanee Aiava v Rogowska, Olivia | 6-3,6-2 |
| Kofu, Singles W-WITF-JPN-02A | 2018/03/28 01:00 | Wachaczyk, Julia v Rogowska, Olivia | 4-6,6-3,6-3 |