| ITF W60 Montreux | 2019/09/04 14:30 | Verena Meliss v Diana Marcinkevica | 2-6,6-2,3-6 |
| WTA Lyon | 2020/02/29 16:20 | Diana Marcinkevica v Isabella Shinikova | 3-6,4-6 |
| ITF W25 Macon | 2020/02/28 16:20 | Diana Marcinkevica v Vera Lapko | 3-6,3-6 |
| ITF W25 Macon | 2020/02/27 09:00 | Miriam Bulgaru v Diana Marcinkevica | 7-6,2-6,2-6 |
| ITF W25 Macon | 2020/02/25 11:45 | Lamis Alhussein Abdel Aziz v Diana Marcinkevica | 2-6,7-5,2-6 |
| ITF W100 Nicholasville | 2020/02/10 17:00 | Diana Marcinkevica v Yuxuan Zhang | 3-6,6-3,8-10 |
| WTA Newport Beach | 2020/01/27 22:15 | Jessika Ponchet v Diana Marcinkevica | 6-3,6-2 |
| ITF W25 Navi Mumbai | 2019/12/19 09:30 | Amina Anshba v Diana Marcinkevica | 6-1,6-2 |
| ITF W25 Navi Mumbai | 2019/12/18 09:30 | Nefisa Berberovic v Diana Marcinkevica | 7-6,3-6,3-6 |
| ITF W25 Altenkirchen | 2020/02/25 14:00 | Jule Niemeier v Verena Meliss | 6-2,6-3 |
| ITF W15 Cancun | 2020/02/09 14:00 | Ingrid Gamarra Martins v Verena Meliss | 6-7,7-5,6-4 |
| ITF W15 Cancun | 2020/02/08 15:30 | Verena Meliss v Dasha Ivanova | 6-4,6-1 |
| ITF W15 Cancun | 2020/02/07 15:55 | Mayuka Aikawa v Verena Meliss | 1-6,2-6 |
| ITF W15 Cancun | 2020/02/06 14:00 | Eleonore Tchakarova v Verena Meliss | 3-6,3-6 |
| ITF W15 Cancun | 2020/02/04 16:05 | Olivia Gram v Verena Meliss | 1-6,5-7 |
| ITF W15 Cancun | 2020/01/30 14:30 | Elyse Lavender v Verena Meliss | 6-2,6-2 |
| ITF W15 Cancun | 2020/01/28 18:00 | Utaka Kishigami v Verena Meliss | 4-6,6-7 |