Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF W15 Cairo | 2021/11/29 12:00 | Elena Karner v Hana El Deeb | 6-7,6-1,5-10 |
| ITF W15 Sharm El Sheikh | 2021/10/25 12:00 | Elena Karner v Darya Shauha | 1-6,5-7 |
| ITF W25 Trieste | 2021/08/31 13:15 | Sofia Shapatava v Elena Karner | 6-2,6-2 |
| ITF W15 Bad Waltersdorf | 2021/08/24 09:50 | Mavie Osterreicher v Elena Karner | 6-7,6-4,6-4 |
| ITF W15 Warmbad-Villach | 2021/08/19 10:35 | Pia Lovric v Elena Karner | 6-3,6-1 |
| ITF W15 Warmbad-Villach | 2021/08/18 09:40 | Elena Karner v Enola Chiesa | 6-0,6-4 |
| Austrian Tennis Championship Women | 2020/07/01 09:00 | Elena Karner v Livia Kraus | 6-3,6-1 |
| Austrian Pro Series Women | 2020/06/23 10:00 | Irina Dshandshgava v Elena Karner | 0-6,4-6 |
| ITF W15 Villena | 2022/02/09 11:05 | Jessica Bouzas Maneiro v Nahia Berecoechea | 7-6,6-4 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/07 10:00 | Eva A Sande v Nahia Berecoechea | 6-2,0-6,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/06 13:40 | Nahia Berecoechea v Judit Hernandez Miranda | 7-6,6-4 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/05 08:22 | Elizabeth Jurna v Nahia Berecoechea | 3-6,4-5 |
| ITF W25 Saint Palais Sur Mer | 2021/09/08 08:00 | Selena Janicijevic v Nahia Berecoechea | 6-0,6-1 |
| ITF W25 Ourense | 2021/08/18 08:55 | Fanny Stollar v Nahia Berecoechea | 7-5,6-1 |
| ITF W25 Ourense | 2021/08/16 10:10 | Sowjanya Bavisetti v Nahia Berecoechea | 1-6,6-1,4-10 |
| ITF W15 Don Benito | 2021/07/23 08:00 | Angelina Wirges v Nahia Berecoechea | 6-0,4-6,7-5 |