| UTR Pro Montrouge - naised | 07/26 16:07 | - | Ana Vilcek v Julia Victoria Rennert | 7-5,2-6,6-4 | |
| UTR Pro Montrouge - naised | 07/26 06:00 | - | Jade Marie v Julia Victoria Rennert | 1-6,3-6 | |
| ITF W15 Alkmaar | 06/25 13:00 | 54 | Julia Victoria Rennert v Luca Udvardy | 4-6,4-6 | |
| ITF W25 Troisdorf | 05/28 13:00 | 54 | Julia Victoria Rennert v Anna Ozerova | 1-6,0-6 | |
| UTR Pro Mulheim - naised | 04/29 09:34 | - | Julia Victoria Rennert v Jizel M S Fernandes | 2-6,6-3,1-5 | |
| UTR Pro Mulheim - naised | 04/28 06:00 | - | Julia Victoria Rennert v Ena Kajevic | 3-6,6-4,4-6 | |
| UTR Pro Mulheim - naised | 04/27 08:52 | - | Julia Victoria Rennert v Leah Luboldt | 7-5,6-2 | |
| UTR Pro Mulheim - naised | 04/25 06:00 | - | Julia Victoria Rennert v Melissa Boyden | 6-3,7-6 | |
| UTR Pro Mulheim - naised | 04/24 09:01 | - | Natalia Siedliska v Julia Victoria Rennert | 6-1,5-3 | |
| ITF W15 Antalya | 04/19 08:30 | 25 | Julia Victoria Rennert v Selina Atay | 2-6,5-7 | |
| ITF W15 Antalya | 04/18 07:00 | 62 | Evelyne Christelle Atticia Tiron v Julia Victoria Rennert | 3-6,5-7 | |
| ITF W15 Antalya | 04/17 07:00 | 62 | Julia Victoria Rennert v Phillippa Preugschat | 6-4,6-2 | |
| ITF W15 Antalya | 04/09 06:30 | 62 | Julia Victoria Rennert v Indira Marie Schmerling | Retired | |
| ITF W15 Antalya | 04/02 07:00 | 62 | Julia Victoria Rennert v Eva Garkusha | 1-6,4-6 | |
| Saksamaa meistrivõistlused - naised | 12/06 09:23 | - | Angelina Wirges v Julia Victoria Rennert | 6-4,6-4 | |
| ITF W25 Pétange | 11/20 14:10 | 44 | Julia Victoria Rennert v Erna Brdarevic | 4-6,4-6 | |
| ITF W15 Irákleio | 10/11 06:30 | 44 | Anna Popescu v Julia Victoria Rennert | 6-4,7-5 | |
| ITF W15 Irákleio | 10/10 07:00 | 44 | Regina Ristic-North v Julia Victoria Rennert | 3-6,0-6 | |
| ITF W25 Braunschweig | 08/22 09:00 | 54 | Julia Victoria Rennert v Gina Feistel | 3-6,4-6 | |
| ITF W15 Erwitte | 08/16 10:35 | 25 | Julia Victoria Rennert v Inez Maria Kotlikova | 0-6,4-6 | |
| ITF W25 Leipzig | 08/07 12:00 | 44 | Julia Victoria Rennert v Christine Junge-Ilges | Retired | |
| ITF W25 Eupen | 07/31 14:00 | 62 | Julia Victoria Rennert v Chanel Janssen | 6-4,4-6,7-10 | |
| ITF W15 Antalya | 04/10 06:00 | 62 | Julia Victoria Rennert v Stella Kovacicova | 6-7,1-6 | |
| ITF W15 Antalya | 01/20 13:50 | 25 | Julia Victoria Rennert v Ilay Yoruk | 6-7,7-6,6-7 | |
| ITF W15 Antalya | 01/18 08:15 | 62 | Julia Victoria Rennert v Xinxin Yao | 6-4,6-3 | |
| ITF W15 Antalya | 01/17 11:00 | 62 | Yuka Hosoki v Julia Victoria Rennert | 1-6,5-7 | |
| ITF W15 Antalya | 01/16 07:00 | 62 | Julia Victoria Rennert v Gozde Turhan | 6-3,6-3 | |
| ITF W15 Antalya | 01/13 06:30 | 62 | Mihaela Tsoneva v Julia Victoria Rennert | 7-6,6-2 | |
| Saksamaa meistrivõistlused - naised | 12/06 13:00 | - | Julia Victoria Rennert v Mara Guth | 3-6,2-6 | |
| ITF W15 Wanfercée-Baulet | 08/23 07:30 | 44 | Eloise De Mooij v Julia Victoria Rennert | 6-3,6-0 |