Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF W60 Prague | 2021/08/29 13:00 | Haverlag, Isabelle v Gergana Topalova | 3-6,5-7 |
| ITF W25 Oldenzaal | 2021/08/16 13:45 | Aurora Zantedeschi v Haverlag, Isabelle | 4-6,6-3,10-5 |
| ITF W60 Olomouc | 2021/07/18 08:00 | Haverlag, Isabelle v Ingrid Vojcinakova | 3-6,3-6 |
| ITF W60 Amstelveen | 2021/07/05 13:20 | Caregaro, Martina v Haverlag, Isabelle | 6-2,6-1 |
| ITF W25 The Hague | 2021/06/27 08:00 | Rosca, Ioana Loredana v Haverlag, Isabelle | 6-4,7-6 |
| ITF W25 Porto | 2021/06/20 15:00 | Ashlyn Krueger v Haverlag, Isabelle | 6-2,6-1 |
| ITF W25 Figueira Da Foz | 2021/06/16 11:55 | Haverlag, Isabelle v Momoko Kobori | 1-6,3-6 |
| ITF W25 Figueira Da Foz | 2021/06/14 15:00 | Barnett, Alicia v Haverlag, Isabelle | 1-6,6-1,6-10 |
| ITF W25 Milovice | 2021/11/24 14:05 | Sofia Shapatava v Anna Gabric | 4-6,6-3,6-4 |
| ITF W25 Milovice | 2021/11/22 13:20 | Maileen Nuudi v Anna Gabric | 6-3,4-6,6-10 |
| ITF W25 Milovice | 2021/11/21 13:00 | Anna Gabric v Ainitdinova, Gozal | 6-2,6-0 |
| ITF - W15 Héraklion | 2021/11/10 07:00 | Anna Gabric v Rajkovic, Adriana | 3-6,4-6 |
| ITF - W15 Héraklion | 2021/11/07 08:00 | Giorgia Pinto v Anna Gabric | 1-6,1-6 |
| ITF - W15 Héraklion | 2021/11/06 08:00 | Anna Gabric v Martha Matoula | 6-4,6-4 |
| ITF - W15 Héraklion | 2021/11/05 07:00 | Eleni Christofi v Anna Gabric | 2-6,1-6 |
| ITF - W15 Héraklion | 2021/11/04 09:05 | Laura Svatikova v Anna Gabric | 6-3,4-6,4-6 |