| ITF W60 Montreux | 09/06 17:45 | 25 | [387] Julia Middendorf v Oceane Dodin [117] | 3-6,5-7 | |
| ITF W40 Oldenzaal | 08/31 11:35 | 26 | [129] Brenda Fruhvirtova v Julia Middendorf [387] | 6-1,6-1 | |
| ITF W40 Oldenzaal | 08/30 12:25 | 25 | [348] Daniela Vismane v Julia Middendorf [387] | 4-6,6-7 | |
| ITF W25 Braunschweig | 08/27 10:00 | 29 | [385] Julia Middendorf v Ella Seidel [316] | 6-7,3-6 | |
| ITF W25 Braunschweig | 08/26 11:00 | 28 | [172] Polina Kudermetova v Julia Middendorf [385] | 3-6,4-6 | |
| ITF W25 Braunschweig | 08/25 15:30 | 27 | [385] Julia Middendorf v Ekaterine Gorgodze [397] | 6-4,7-6 | |
| ITF W25 Braunschweig | 08/24 09:00 | 26 | Julia Middendorf v Vlada Ekshibarova | 6-4,7-5 | |
| ITF W25 Braunschweig | 08/23 11:35 | 25 | Julia Middendorf v Silvia Njiric | 6-4,7-5 | |
| ITF W25 Erwitte | 08/18 15:50 | 27 | [376] Nikola Bartunkova v Julia Middendorf [349] | 6-4,3-6,6-3 | |
| ITF W25 Erwitte | 08/17 15:25 | 26 | Joelle Lilly Sophie Steur v Julia Middendorf | 6-4,3-6,0-6 | |
| ITF W25 Erwitte | 08/15 12:10 | 25 | [461] Manon Leonard v Julia Middendorf [349] | 6-4,1-6,1-6 | |
| ITF W25 Leipzig | 08/08 15:10 | 25 | [347] Julia Middendorf v Ella Seidel [325] | 3-6,6-1,6-7 | |
| ITF W60 Hechingen | 08/04 10:30 | 27 | [365] Julia Middendorf v Jessica Bouzas Maneiro [157] | 4-6,1-6 | |
| ITF W60 Hechingen | 08/03 13:35 | 26 | [365] Julia Middendorf v Carolina Kuhl [490] | 3-6,6-1,6-4 | |
| ITF W60 Hechingen | 08/02 13:25 | 25 | [264] Dalila Jakupovic v Julia Middendorf [365] | Retired | |
| ITF W60 Hechingen | 08/01 08:00 | 54 | Julia Middendorf v Alice Rame | 6-1,6-1 | |
| ITF W60 Hechingen | 07/31 09:00 | 54 | [365] Julia Middendorf v Tilwith Di Girolami [449] | 6-1,6-4 | |
| WTA Hamburg | 07/22 08:30 | 14 | [195] Sinja Kraus v Julia Middendorf [367] | 6-2,6-3 | |
| ITF W25 Darmstadt | 07/18 16:25 | 25 | [394] Kathleen Kanev v Julia Middendorf [367] | 6-3,6-3 | |
| ITF W25 Aschaffenburg | 07/13 10:25 | 26 | Julia Middendorf v Hanne Vandewinkel | 5-7,4-6 | |
| ITF W25 Aschaffenburg | 07/12 11:30 | 25 | [416] Julia Middendorf v Julia Avdeeva [340] | 6-7,6-4,7-6 | |
| ITF W25 Stuttgart-Vaihingen | 07/09 12:00 | 29 | [388] Ella Seidel v Julia Middendorf [416] | 6-3,6-1 | |
| ITF W25 Stuttgart-Vaihingen | 07/08 12:30 | 28 | [416] Julia Middendorf v Alexandra Ignatik [253] | 6-7,6-2,6-3 | |
| ITF W25 Stuttgart-Vaihingen | 07/07 10:00 | 27 | [302] Tena Lukas v Julia Middendorf [416] | 6-0,4-6,2-6 | |
| ITF W25 Stuttgart-Vaihingen | 07/06 12:30 | 26 | [416] Julia Middendorf v Marie Benoit [226] | 7-5,6-4 | |
| ITF W25 Stuttgart-Vaihingen | 07/04 11:30 | 25 | [361] Tereza Smitkova v Julia Middendorf [416] | 0-6,4-6 | |
| ITF W40 Ystad | 06/23 07:40 | 27 | [260] Ipek Oz v Julia Middendorf [437] | 6-3,5-7,6-4 | |
| ITF W40 Ystad | 06/22 08:15 | 26 | [309] Valeriya Strakhova v Julia Middendorf [437] | 6-7,1-6 | |
| ITF W40 Ystad | 06/21 11:50 | 25 | [437] Julia Middendorf v Despina Papamichail [189] | 7-5,4-6,7-6 | |
| ITF W40 Ystad | 06/20 09:35 | 54 | Julia Middendorf v Maria Jose Portillo Ramirez | 6-3,6-3 |