Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| ITF W25 Singapore | 2019/01/17 02:00 | Olivia Tjandramulia v Barbara Haas | 4-6,1-6 |
| ITF W25 Singapore | 2019/01/23 02:00 | Julyette M J Steur v Olivia Tjandramulia | 0-6,1-6 |
| ITF W25 Singapore | 2019/01/22 02:00 | Victoria Rodriguez v Olivia Tjandramulia | 6-1,5-7,7-10 |
| ITF W25 Singapore | 2019/01/17 02:00 | Olivia Tjandramulia v Barbara Haas | 4-6,1-6 |
| ITF W25 Singapore | 2019/01/16 02:00 | Victoria Rodriguez v Olivia Tjandramulia | 3-6,2-6 |
| ITF W25 Singapore | 2019/01/15 02:00 | En Shuo Liang v Olivia Tjandramulia | 3-6,6-2,6-10 |
| ITF W25 Singapore | 2019/01/14 02:00 | Olivia Tjandramulia v Yue Yuan | 4-6,6-4,10-6 |
| ITF W25 Hong Kong | 2019/01/09 02:30 | Olivia Tjandramulia v Risa Ozaki | 4-6,2-6 |
| ITF W25 Hong Kong | 2019/01/08 02:00 | Olivia Tjandramulia v Caroline Werner | 2-6,7-5,11-9 |
| ITF W25 Singapore | 2019/01/23 03:15 | Diana Marcinkevica v Barbara Haas | 3-6,3-6 |
| ITF W25 Singapore | 2019/01/18 05:00 | Arantxa Rus v Barbara Haas | 6-3,7-5 |
| ITF W25 Singapore | 2019/01/17 02:00 | Olivia Tjandramulia v Barbara Haas | 4-6,1-6 |
| ITF W25 Singapore | 2019/01/16 03:45 | Cagla Buyukakcay v Barbara Haas | 6-4,3-6,2-6 |
| Australian Open Women | 2019/01/09 05:20 | Barbara Haas v Irina Khromacheva | 4-6,4-6 |
| ITF W25 Playford | 2019/01/03 01:00 | Anna Kalinskaya v Barbara Haas | 6-3,7-5 |
| ITF W25 Playford | 2019/01/02 02:30 | Haruna Arakawa v Barbara Haas | 3-6,2-6 |
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Barbara Haas | 6-0,3-6,5-7 |