Stadium: Clay 5 Round: 44 Ground: Clay
| ITF - W15 Héraklion | 2020/02/23 11:00 | Spiridis, Helena v Wiesemann, Stella | 2-6,3-6 |
| ITF W15 Ceuta | 2019/09/12 15:05 | Wiesemann, Stella v Olga Parres Azcoitia | 6-7,3-6 |
| ITF W15 Ceuta | 2019/09/11 09:00 | Salma Ziouti v Wiesemann, Stella | 3-6,3-6 |
| ITF W25 Marbella | 2019/09/03 08:00 | Suvrijn, Jade v Wiesemann, Stella | 1-6,6-2,10-6 |
| ITF W25 Marbella | 2019/09/02 08:00 | Wiesemann, Stella v Vinciane Remy | 6-3,6-1 |
| ITF W15 Cairo | 2019/04/16 09:00 | Wiesemann, Stella v Sravya Shivani Chilakalapudi | 6-7,6-1,7-10 |
| ITF - W15 Monastir | 2019/02/25 08:00 | Shauha, Darya v Wiesemann, Stella | 6-4,6-1 |
| ITF Women Seville | 2018/10/13 10:00 | Payola, Julia v Wiesemann, Stella | 6-2,6-1 |
| ITF - W15 Héraklion | 2020/02/23 11:00 | Mariia Bergen v Sara Lanca | 6-4,6-4 |
| ITF - W15 Héraklion | 2019/12/09 08:30 | Simona Ogescu v Mariia Bergen | 6-1,6-2 |
| ITF - W15 Héraklion | 2019/12/08 09:30 | Faoro, Marie Lou v Mariia Bergen | 0-6,0-6 |
| ITF - W15 Héraklion | 2019/12/05 10:05 | Mariia Bergen v Schaeder, Laura | 0-6,0-6 |
| ITF - W15 Héraklion | 2019/12/04 12:00 | Mariia Bergen v Gemovic, Elena | 6-3,6-7,6-0 |
| ITF - W15 Héraklion | 2019/12/03 08:00 | Kaul, Maria Lota v Mariia Bergen | 6-3,6-7,4-10 |
| ITF - W15 Héraklion | 2019/11/28 08:00 | Corneanu , Oana Smaranda v Mariia Bergen | 6-2,6-4 |
| ITF - W15 Héraklion | 2019/11/27 09:30 | Mariia Bergen v Bereznyak, Shelly | 6-1,6-0 |