Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| WTA Lyon | 2020/02/29 16:20 | Diana Marcinkevica v Isabella Shinikova | 3-6,4-6 |
| ITF W60 Caldas da Rainha | 2019/09/24 14:00 | Isabella Shinikova v Diana Marcinkevica | 6-4,6-7,6-4 |
| ITF W25 Bolton | 2019/04/04 11:10 | Isabella Shinikova v Diana Marcinkevica | 6-4,4-6,7-6 |
| ITF Women Wiesbaden | 2018/04/25 09:00 | Diana Marcinkevica v Isabella Shinikova | 4-6,6-3,3-6 |
| ITF W25 Lagos | 2021/10/13 11:05 | Isabella Shinikova v Riya Bhatia | 6-2,6-0 |
| ITF W25 Lisbon | 2021/09/29 11:35 | Berfu Cengiz v Isabella Shinikova | 3-6,6-3,7-6 |
| ITF W25 Lisbon | 2021/09/28 09:00 | Nicole Fossa Huergo v Isabella Shinikova | 6-7,2-6 |
| ITF W25 Santarem | 2021/09/25 11:00 | Isabella Shinikova v Daria Snigur | 4-6,3-6 |
| ITF W25 Santarem | 2021/09/24 08:55 | Isabella Shinikova v Pemra Ozgen | 6-3,6-4 |
| ITF W25 Santarem | 2021/09/23 13:50 | Isabella Shinikova v Alicia Barnett | 2-6,6-3,6-2 |
| ITF W25 Santarem | 2021/09/22 12:30 | Isabella Shinikova v Mei Yamaguchi | 6-2,6-2 |
| WTA Luxembourg | 2021/09/11 14:10 | Tayisiya Morderger v Isabella Shinikova | 7-6,6-3 |
| ITF W25 Lagos | 2021/10/13 11:25 | Diana Marcinkevica v Weronika Falkowska | 7-6,6-2 |
| ITF W25 Loule | 2021/10/05 13:10 | Jessika Ponchet v Diana Marcinkevica | 7-5,6-3 |
| ITF W25 Lisbon | 2021/09/27 14:00 | Diana Marcinkevica v Yvonne Cavalle-Reimers | 3-6,4-6 |
| ITF W80 Wiesbaden | 2021/09/20 15:00 | Lina Gjorcheska v Diana Marcinkevica | 6-4,6-1 |
| ITF W80 Wiesbaden | 2021/09/20 08:00 | Mara Guth v Diana Marcinkevica | 6-7,2-6 |
| ITF W60 Montreux | 2021/09/08 09:15 | Diana Marcinkevica v Susan Bandecchi | 4-6,1-6 |
| ITF W60 Collonge-Bellerive | 2021/09/01 10:40 | Diana Marcinkevica v Estelle Cascino | 4-6,4-6 |
| ITF W25 Verbier | 2021/08/25 07:55 | Ekaterina Makarova v Diana Marcinkevica | 2-6,6-1,6-3 |