Stadium: Court 4 Round: 54 Ground: Clay
| ITF W15 Vejle | 2021/07/25 07:00 | Ersoz, Vanessa v Natalia Pietras | 6-2,6-4 |
| WTA Bastad | 2021/07/05 09:00 | Caijsa W Hennemann v Ersoz, Vanessa | 6-0,6-1 |
| ITF - W15 Antalya | 2021/06/23 12:35 | Ersoz, Vanessa v Dia Evtimova | 4-6,3-6 |
| ITF - W15 Antalya | 2021/06/22 07:00 | Ersoz, Vanessa v Alba Rey Garcia | 7-5,4-6,10-2 |
| ITF - W15 Antalya | 2021/06/21 07:00 | Ersoz, Vanessa v Julia Ronney | 7-5,6-4 |
| ITF - W15 Antalya | 2021/06/17 09:55 | Ersoz, Vanessa v Rosa Vicens Mas | 0-6,0-6 |
| ITF - W15 Antalya | 2021/06/09 06:55 | Ersoz, Vanessa v Eva Vedder | 6-7,3-6 |
| ITF - W15 Antalya | 2021/06/07 07:00 | Ersoz, Vanessa v Jaeger, Estella | 6-3,4-6,10-6 |
| ITF W15 Vejle | 2021/07/25 09:00 | Verhaar, Annick v Sylvie Zund | 1-6,2-6 |
| ITF W25 Tarvisio | 2021/07/11 14:00 | Elisa Cesarina Vincenti v Sylvie Zund | 6-7,6-3,10-7 |
| ITF - W15 Antalya | 2021/06/08 07:00 | Sylvie Zund v Beatris Spasova | 6-3,3-6,9-11 |
| ITF W15 Sibenik | 2021/05/24 09:05 | Husarova, Martina v Sylvie Zund | 7-5,7-5 |
| ITF W15 Sibenik | 2021/05/23 08:00 | Victoria Borodulina v Sylvie Zund | 6-1,4-6,11-13 |
| ITF W15 Sibenik | 2021/05/16 07:30 | Oleksandra Oliynykova v Sylvie Zund | 6-0,6-4 |
| ITF W15 Cairo | 2021/04/26 10:30 | Iordache, Alexandra v Sylvie Zund | 6-4,6-2 |
| ITF W15 Cairo | 2021/04/25 11:00 | Kulikova, Yulia v Sylvie Zund | 1-6,3-6 |