Round: 44 Ground: Hardcourt indoor
| ITF France F3 Qual | 2018/01/20 13:00 | Antal Van Der Duim v Patrik Hartmeier | 6-3,6-3 |
| ITF Greece F3 | 2017/03/18 07:00 | Patrik Hartmeier v Maxim Tybar | 4-6,1-6 |
| ITF Switzerland F1 Qual | 2017/02/04 11:30 | Patrik Hartmeier v Kirill Kivattsev | 7-6,6-7,2-6 |
| ITF Germany F3 | 2017/01/23 11:30 | Patrik Hartmeier v Sebastian Prechtel | 4-6,4-6 |
| ITF Germany F3 | 2017/01/22 11:30 | Patrik Hartmeier v Adriano Quinti | 6-1,6-2 |
| ITF Germany F15 | 2016/10/15 08:00 | Tim Ruehl v Patrik Hartmeier | 6-4,6-2 |
| ITF Germany F14 | 2016/10/09 07:00 | Patrik Hartmeier v Urs Thurau | 6-3,6-4 |
| ITF Switzerland F4 Qual | 2016/08/20 14:30 | Patrik Hartmeier v Alessandro Ceppellini | 6-4,3-6,0-6 |