Stadium: Court 3 - R Round: 54 Ground: Clay
| ITF W60 Stare Splavy | 2021/06/14 13:15 | Nika Radisic v Kimberley Zimmermann | 6-4,4-6,8-10 |
| ITF W60 Zagreb | 2021/04/25 14:25 | Na-Lae Han v Nika Radisic | 6-4,7-5 |
| ITF W15 Antalya | 2021/04/20 09:25 | Valentina Ryser v Nika Radisic | 6-1,6-2 |
| ITF W15 Antalya | 2021/04/13 08:45 | Nika Radisic v Sada Nahimana | 3-6,1-6 |
| ITF W15 Antalya | 2021/03/10 07:00 | Hiroko Kuwata v Nika Radisic | 6-3,3-6,6-1 |
| ITF W15 Antalya | 2021/03/05 09:35 | Andreea Prisacariu v Nika Radisic | 7-6,6-1 |
| ITF W15 Antalya | 2021/03/04 09:35 | Nika Radisic v Oana Georgeta Simion | 6-4,6-2 |
| ITF W15 Antalya | 2021/03/03 10:25 | Nika Radisic v Alba Rey Garcia | 6-2,6-3 |
| ITF W25 The Hague | 2021/06/28 09:30 | Maria Jose Portillo Ramirez v Vivian Wolff | 2-6,3-6 |
| ITF W25 The Hague | 2021/06/27 08:00 | Jessica Bouzas Maneiro v Maria Jose Portillo Ramirez | 3-6,4-6 |
| ITF W15 Alkmaar | 2021/06/24 09:00 | Maria Jose Portillo Ramirez v Chiara Scholl | 2-6,4-6 |
| ITF W15 Alkmaar | 2021/06/23 09:00 | Elena Malygina v Maria Jose Portillo Ramirez | 2-6,5-7 |
| ITF W15 Alkmaar | 2021/06/21 15:00 | Maria Jose Portillo Ramirez v Bente Spee | 6-4,6-2 |
| ITF W15 Alkmaar | 2021/06/20 11:00 | Maria Jose Portillo Ramirez v Reza Timmerman | 6-3,6-0 |
| ITF W15 Heraklion | 2021/06/13 07:00 | Maria Jose Portillo Ramirez v Jessica Bouzas Maneiro | 3-6,0-6 |
| ITF W15 Heraklion | 2021/06/12 07:00 | Maria Jose Portillo Ramirez v Michaela Bayerlova | 6-4,6-1 |