Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Redding | 2021/10/05 17:00 | Ong, Vanessa v Vagramov, Alexandra | 7-6,6-3 |
| ITF W15 Cancun | 2020/02/18 14:00 | Nadel, Nicole v Ong, Vanessa | 6-3,6-2 |
| ITF W15 Cancun | 2020/02/14 14:00 | Ong, Vanessa v Maria Lourdes Carle | 2-6,5-7 |
| ITF W15 Cancun | 2020/02/13 14:00 | Andrea Gamiz v Ong, Vanessa | 6-7,5-7 |
| ITF W15 Cancun | 2020/02/12 17:45 | Ong, Vanessa v Dadaciu, Sabina | 7-6,6-2 |
| ITF W15 Norman | 2019/12/04 20:10 | Lisa-Marie Rioux v Ong, Vanessa | 7-6,7-6 |
| ITF W15 Cancun | 2019/11/19 18:00 | Sherif, Jwany v Ong, Vanessa | 6-3,6-1 |
| ITF W15 Cancun | 2019/11/17 13:45 | Lacasse, Raphaelle v Ong, Vanessa | 6-4,6-7,6-2 |
| ITF W80 Wiesbaden | 2021/09/20 09:55 | Olivia Tjandramulia v Lara Salden | 3-6,5-7 |
| WTA Luxembourg | 2021/09/11 14:30 | Anastasia Gasanova v Olivia Tjandramulia | 7-5,6-0 |
| ITF W25 Saint Palais Sur Mer | 2021/09/08 16:10 | Sara Cakarevic v Olivia Tjandramulia | 4-6,6-1,7-5 |
| ITF W25 Trieste | 2021/08/31 11:40 | Lina Gjorcheska v Olivia Tjandramulia | 6-2,6-3 |
| ITF W25 Vigo | 2021/08/25 08:55 | Angela Fita Boluda v Olivia Tjandramulia | 6-4,6-4 |
| ITF W60 San Bartolome De Tirajana Qual | 2021/08/15 08:30 | Ekaterina Maklakova v Olivia Tjandramulia | 6-4,6-0 |
| ITF W60 San Bartolome De Tirajana | 2021/08/09 11:20 | Dia Evtimova v Olivia Tjandramulia | 6-4,7-5 |
| ITF W60 San Bartolome De Tirajana | 2021/08/08 08:30 | Valeria Koussenkova v Olivia Tjandramulia | 1-6,2-6 |