| ITF W15 Wanfercee-Baulet | 2021/08/23 07:30 | Eloise De Mooij v Julia Victoria Rennert | 6-3,6-0 |
| ITF W15 Vejle | 2021/07/26 07:55 | Julia Victoria Rennert v Ludmila Kareisova | 1-6,6-7 |
| ITF W15 Vejle | 2021/07/25 07:00 | Lucie Petruzelova v Julia Victoria Rennert | 2-6,1-6 |
| German Masters Women | 2020/08/14 16:30 | Ekaterine Gorgodze v Julia Victoria Rennert | 6-3,6-2 |
| Alemania - Premier League - Femenino | 2020/08/13 14:30 | Julia Victoria Rennert v Laura Pigossi | 2-6,2-6 |
| Alemania - Premier League - Femenino | 2020/08/12 12:20 | Julia Victoria Rennert v Charlotte Klasen | 6-7,5-7 |
| Alemania - Premier League - Femenino | 2020/08/11 15:55 | Julia Victoria Rennert v Irina Fetecau | 5-7,1-6 |
| ITF Petange - Femenino | 2018/10/27 08:00 | Julia Victoria Rennert v Anna Klasen | 6-3,3-6,0-6 |
| ITF W15 Monastir | 2021/10/23 08:30 | Jennifer Luikham v Mara Guth | 1-6,6-4,7-5 |
| ITF W15 Monastir | 2021/10/21 08:30 | Mara Guth v Kathleen Kanev | 7-5,4-6,6-4 |
| ITF W15 Monastir | 2021/10/19 10:05 | Ginevra Peiretti v Mara Guth | 1-6,0-6 |
| ITF W15 Monastir | 2021/10/15 11:10 | Federica Rossi v Mara Guth | 5-7,6-4,6-1 |
| ITF W15 Monastir | 2021/10/14 11:30 | Kristina Milenkovic v Mara Guth | 1-6,3-6 |
| ITF W15 Monastir | 2021/10/13 13:00 | Mara Guth v Chiraz Bechri | 6-3,6-2 |
| ITF W80 Wiesbaden | 2021/09/20 08:00 | Mara Guth v Diana Marcinkevica | 6-7,2-6 |
| ITF W25 Braunschweig | 2021/08/26 09:00 | Mara Guth v Valeriya Strakhova | 5-7,4-6 |