Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF Tunisia F33 | 2018/09/28 09:00 | Patrik Hartmeier v Robert Strombachs | 2-6,6-7 |
| ITF M25 Santa Margherita | 2019/04/15 12:00 | Victor Vlad Cornea v Patrik Hartmeier | 6-1,6-2 |
| ITF M25 Sunderland | 2019/04/08 16:00 | Patrik Hartmeier v Anton Matusevich | 4-6,1-6 |
| ITF M25 Sunderland | 2019/04/08 08:40 | Patrik Hartmeier v James Mackinlay | 7-5,3-6,10-8 |
| ITF M15 Oslo | 2019/03/05 09:00 | Jordan Hasson v Patrik Hartmeier | 7-6,3-6,10-8 |
| ITF M15 Oslo | 2019/03/04 09:00 | Daniil Glinka v Patrik Hartmeier | 6-4,3-6,2-10 |
| ITF M25 Oberentfelden | 2019/02/04 08:30 | Mattia Bellucci v Patrik Hartmeier | 6-1,2-6,10-5 |
| ITF M25 Nussloch | 2019/01/21 13:45 | Andrew Watson v Patrik Hartmeier | 6-2,6-1 |
| ITF Czech Republic F12 | 2018/11/27 09:00 | Patrik Hartmeier v Jiri Barnat | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/04/05 08:00 | Daniel Michalski v Robert Strombachs | 6-4,6-0 |
| ITF M15 Sharm El Sheikh | 2019/04/04 08:00 | Stuart Parker v Robert Strombachs | 1-6,7-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/04/03 09:45 | Simon Beaupain v Robert Strombachs | 1-6,6-4,4-6 |
| ITF M15 Sharm El Sheikh | 2019/03/29 08:00 | Igor Sijsling v Robert Strombachs | 7-6,6-1 |
| ITF M15 Sharm El Sheikh | 2019/03/28 11:45 | Robert Strombachs v Marko Miladinovic | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2019/03/27 08:00 | Adil Kalyanpur v Robert Strombachs | 4-6,6-4,3-6 |
| ITF M15 Sharm El Sheikh | 2019/03/23 08:00 | Pablo Vivero Gonzalez v Robert Strombachs | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2019/03/22 08:00 | Robert Strombachs v Emiliano Maggioli | 6-2,6-1 |