Stadium: Court 8 Round: 25 Ground: Clay
| ITF W15 Bratislava | 2021/03/24 15:15 | Romana Cisovska v Tereza Smitkova | 3-6,2-6 |
| ITF W15 Bratislava | 2021/03/17 09:00 | Rebecca Sramkova v Romana Cisovska | 6-1,7-6 |
| ITF W15 Sharm El Sheikh | 2021/03/08 09:00 | Jenna Defalco v Romana Cisovska | 6-1,4-6,10-4 |
| ITF W15 Sharm El Sheikh | 2021/03/07 13:30 | Angelina Graovac v Romana Cisovska | 1-6,0-6 |
| ITF W15 Sharm El Sheikh | 2021/02/28 08:00 | Emily Welker v Romana Cisovska | 6-3,4-6,10-8 |
| ITF W15 Shymkent | 2021/02/10 06:30 | Romana Cisovska v Anastasia Tikhonova | 3-6,1-6 |
| ITF W15 Shymkent | 2021/02/04 05:50 | Ekaterina Kazionova v Romana Cisovska | 6-3,6-2 |
| ITF W15 Shymkent | 2021/02/02 09:55 | Maria Krupenina v Romana Cisovska | 1-6,2-6 |
| ITF W15 Cairo | 2021/04/16 08:30 | Noa Liauw A Fong v Eri Shimizu | 0-6,3-6 |
| ITF W15 Cairo | 2021/04/15 11:00 | Eri Shimizu v Sohyun Park | 6-7,6-4,7-6 |
| ITF W15 Cairo | 2021/04/14 19:20 | Barbora Matusova v Eri Shimizu | 5-7,4-6 |
| ITF W15 Sharm El Sheikh | 2021/04/08 11:05 | Eri Shimizu v Arina Gabriela Vasilescu | 5-7,7-5,2-6 |
| ITF W15 Sharm El Sheikh | 2021/04/07 07:00 | Eri Shimizu v Julia Lovqvist | 6-0,6-4 |
| ITF W15 Sharm El Sheikh | 2021/03/30 07:00 | Eri Shimizu v Silvia Ambrosio | 2-6,3-6 |
| ITF W15 Sharm El Sheikh | 2021/03/29 07:00 | Eri Shimizu v Dasha Plekhanova | 7-5,7-5 |
| ITF W15 Cancun | 2020/03/10 16:55 | Elvina Kalieva v Eri Shimizu | 7-5,6-3 |