Stadium: Court 5 Round: 25 Ground: Clay
| ITF W25 Singapore | 2019/01/23 03:15 | Diana Marcinkevica v Barbara Haas | 3-6,3-6 |
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Barbara Haas | 6-0,3-6,5-7 |
| ITF W60 Montreux | 2022/09/09 13:55 | Tamara Korpatsch v Diana Marcinkevica | 7-5,6-2 |
| ITF W60 Montreux | 2022/09/08 09:00 | Dia Evtimova v Diana Marcinkevica | 0-6,1-6 |
| ITF W60 Montreux | 2022/09/06 14:40 | Diana Marcinkevica v Stefanie Voegele | 6-3,6-3 |
| ITF W25 Trieste | 2022/08/31 08:20 | Anne Schaefer v Diana Marcinkevica | 6-2,6-4 |
| ITF W25 Trieste | 2022/08/30 07:30 | Oceane Babel v Diana Marcinkevica | 6-4,2-6,2-6 |
| ITF W25 Roehampton | 2022/08/25 13:30 | Xinyu Gao v Diana Marcinkevica | 6-1,6-2 |
| ITF W25 Roehampton | 2022/08/24 08:55 | Katy Dunne v Diana Marcinkevica | 6-7,6-2,5-7 |
| ITF W25 Aldershot | 2022/08/18 09:00 | Haruka Kaji v Diana Marcinkevica | 7-5,6-3 |
| US Open Women | 2022/08/24 15:00 | Lesley Pattinama Kerkhove v Barbara Haas | 6-3,6-3 |
| ITF W60 Bronx | 2022/08/15 17:20 | Anastasia Gasanova v Barbara Haas | 6-3,5-7,10-5 |
| ITF W25 Eupen | 2022/08/04 09:00 | Francesca Curmi v Barbara Haas | 3-6,6-1,6-3 |
| ITF W25 Eupen | 2022/08/02 17:05 | Florence Fohnen v Barbara Haas | 0-6,1-6 |
| WTA Hamburg | 2022/07/16 11:05 | Suzan Lamens v Barbara Haas | 6-3,6-4 |
| ITF W60 Amstelveen | 2022/07/08 12:30 | Barbara Haas v Sara Bejlek | 2-6,1-6 |
| ITF W60 Amstelveen | 2022/07/07 13:30 | Lexie Stevens v Barbara Haas | 7-5,3-6,2-6 |
| ITF W60 Amstelveen | 2022/07/06 14:40 | Tayisiya Morderger v Barbara Haas | 6-3,6-7,4-6 |