Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Haas, Barbara | 6-0,3-6,5-7 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/14 03:00 | Diana Marcinkevica v Zhang, Ling | 3-6,6-7 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/01/09 04:10 | Diana Marcinkevica v Stefkova, Barbora | 4-6,3-6 |
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Haas, Barbara | 6-0,3-6,5-7 |
| ITF Women Navi Mumbai | 2018/12/21 12:30 | Mariam Bolkvadze v Diana Marcinkevica | 6-7,0-6 |
| ITF Women Navi Mumbai | 2018/12/20 10:30 | Cako, Jacqueline v Diana Marcinkevica | 4-6,4-6 |
| ITF Women Navi Mumbai | 2018/12/19 11:45 | Naydenova, Aleksandrina v Diana Marcinkevica | 2-6,4-6 |
| ITF Women Navi Mumbai | 2018/12/18 09:00 | Valeria Savinykh v Diana Marcinkevica | 1-6,6-4,2-6 |
| ITF Women Pune | 2018/12/13 05:00 | Diana Marcinkevica v Mariam Bolkvadze | 2-6,1-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/18 05:00 | Arantxa Rus v Haas, Barbara | 6-3,7-5 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/17 02:00 | Olivia Tjandramulia v Haas, Barbara | 4-6,1-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/01/16 03:45 | Cagla Buyukakcay v Haas, Barbara | 6-4,3-6,2-6 |
| Open d'Australie - Femmes | 2019/01/09 05:20 | Haas, Barbara v Irina Khromacheva | 4-6,4-6 |
| ITF W25 Playford | 2019/01/03 01:00 | Anna Kalinskaya v Haas, Barbara | 6-3,7-5 |
| ITF W25 Playford | 2019/01/02 02:30 | Haruna Arakawa v Haas, Barbara | 3-6,2-6 |
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Haas, Barbara | 6-0,3-6,5-7 |
| ITF Women Navi Mumbai | 2018/12/21 12:30 | Jain, Mahak v Haas, Barbara | 4-6,6-3,3-6 |