Stadium: Ct C Round: 62
| ITF Women Darwin | 2018/09/25 03:35 | Rogowska, Olivia v Olivia Tjandramulia | 6-4,6-1 |
| ITF Women Cairns | 2018/09/20 02:15 | Zlochova, Zuzana v Olivia Tjandramulia | 6-3,6-2 |
| ITF Women Cairns | 2018/09/18 02:25 | Naiktha Bains v Olivia Tjandramulia | 3-6,4-6 |
| ITF Women Landisville Qual | 2018/08/06 18:00 | Kimberly Birrell v Olivia Tjandramulia | 6-0,6-4 |
| ITF Women Fort Worth | 2018/08/02 14:00 | Olivia Tjandramulia v Schaefer, Dominique | 6-3,2-6,1-6 |
| ITF Women Fort Worth | 2018/08/01 15:45 | Olivia Tjandramulia v Douglas, Ellie | 6-1,6-2 |
| ITF Women Granby | 2018/07/26 21:30 | Olivia Tjandramulia v Katherine Sebov | 1-6,2-6 |
| ITF Women Granby | 2018/07/23 15:20 | Isabelle Boulais v Olivia Tjandramulia | 1-6,2-6 |
| ITF Women Brisbane | 2018/09/30 05:00 | Bains, Roopa v Arshinkova, Petia | 7-6,4-6,1-6 |
| ITF Women Dobrich | 2018/09/20 12:10 | Arshinkova, Petia v Gatto-Monticone, Giulia | 6-3,1-6,3-6 |
| ITF Women Dobrich | 2018/09/19 10:55 | Arshinkova, Petia v Tishchenko, Iana | 6-4,6-2 |
| ITF Women Dobrich | 2018/09/17 10:35 | Ipek Oz v Arshinkova, Petia | 4-6,6-4,1-6 |
| ITF Women Dobrich | 2018/09/16 11:00 | Arshinkova, Petia v Adamescu, Cristina | 6-3,6-4 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/05 07:00 | Monova, Polina v Arshinkova, Petia | 6-4,6-0 |
| ITF Women Baja | 2018/07/24 08:00 | Chernyshova, Maryna v Arshinkova, Petia | 6-1,6-3 |
| ITF Women Baja Qual | 2018/07/23 12:15 | Arshinkova, Petia v Palcatova, Barbora | 6-2,6-1 |