Stadium: Court 20 Round: 62 Ground: Clay
| ITF - W15 Antalya | 2021/05/03 07:00 | Nieuwboer, Perla v Lovqvist, Julia | 2-6,1-6 |
| ITF - W15 Antalya | 2021/04/25 07:00 | Nieuwboer, Perla v Bychkova, Ekaterina | 6-2,5-7,5-10 |
| ITF - W15 Antalya | 2021/04/18 07:00 | Nieuwboer, Perla v Polina Bakhmutkina | 1-6,2-6 |
| ITF - W15 Antalya | 2021/03/28 06:30 | Nieuwboer, Perla v Stefana Lazar | 6-4,5-7,4-10 |
| ITF - W15 Antalya | 2021/03/22 07:00 | Nieuwboer, Perla v Tara Wurth | 0-6,0-6 |
| ITF - W15 Antalya | 2021/03/21 07:00 | Nieuwboer, Perla v Novotna, Nikola | 4-6,6-2,10-0 |
| ITF W15 Amiens | 2021/03/07 09:15 | Nieuwboer, Perla v Dury, Mathilde | 2-6,2-6 |
| ITF - W15 Héraklion | 2020/11/22 08:00 | Nieuwboer, Perla v Alexandra Vasilyeva | 2-6,4-6 |
| ITF - W15 Antalya | 2021/05/02 06:00 | Rossi, Federica v Izabelle Persson | 6-2,6-0 |
| ITF - W15 Antalya | 2021/04/26 09:00 | Izabelle Persson v Cvetkovic, Tina | 1-6,1-6 |
| ITF - W15 Antalya | 2021/04/18 07:00 | Mina Hodzic v Izabelle Persson | 6-4,6-2 |
| ITF - W15 Antalya | 2021/02/21 06:00 | Izabelle Persson v Ani Vangelova | 1-6,6-4,11-13 |
| ITF - W15 Antalya | 2021/02/14 06:00 | Izabelle Persson v Corneanu , Oana Smaranda | 6-7,6-7 |