Stadium: Court 5 Round: 54 Ground: Clay
| 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 W15 Antalya | 2021/02/04 08:05 | Nika Radisic v Tara Wurth | 4-6,5-7 |
| ITF W60 Saint-Gaudens | 2021/05/13 08:30 | Kristina Kucova v Kimberley Zimmermann | 6-2,6-4 |
| ITF W60 Saint-Gaudens | 2021/05/12 09:10 | Elsa Jacquemot v Kimberley Zimmermann | 5-7,3-6 |
| ITF W60 Saint-Gaudens | 2021/05/11 11:00 | Margot Yerolymos v Kimberley Zimmermann | 6-1,6-1 |
| ITF W60 Saint-Gaudens | 2021/05/10 06:55 | Kimberley Zimmermann v Sara Cakarevic | 6-1,2-6,10-7 |
| ITF W25 Praha | 2021/05/02 13:00 | Kimberley Zimmermann v Alice Rame | 4-6,4-6 |
| ITF W60 Oeiras | 2021/04/11 14:50 | Su Jeong Jang v Kimberley Zimmermann | 6-3,6-3 |
| ITF W60 Bellinzona | 2021/04/05 08:00 | Kimberley Zimmermann v Lucia Bronzetti | 0-6,7-5,8-10 |
| ITF W60 Bellinzona | 2021/04/04 09:55 | Kimberley Zimmermann v Anastasia Detiuc | 6-3,4-6,10-6 |