Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF - M15 Manacor | 2021/01/10 09:30 | Graziani, Edoardo v Hartmeier, Patrik | 6-2,6-2 |
| ITF - M15 Héraklion | 2020/11/24 07:30 | Naoki Tajima v Hartmeier, Patrik | 6-4,6-2 |
| ITF - M15 Héraklion | 2020/11/23 08:00 | Stephanos Schinas v Hartmeier, Patrik | 6-4,1-6,11-13 |
| ITF - M15 Héraklion | 2020/11/16 07:30 | Hartmeier, Patrik v Stuart Parker | 3-6,1-6 |
| ITF - M15 Héraklion | 2020/11/15 08:00 | Ioannis Xilas v Hartmeier, Patrik | 6-1,3-6,5-10 |
| Sarreguemines, Singles M-ITF-FRA-22A | 2020/10/25 10:30 | Hartmeier, Patrik v Milan Welte | 6-2,6-7,5-10 |
| ITF M15 Forbach | 2020/09/28 14:20 | Baltensperger, Raphael v Hartmeier, Patrik | 6-3,6-3 |
| ITF M15 Forbach | 2020/09/28 07:00 | Magnaudet, Lucas v Hartmeier, Patrik | 6-7,1-6 |
| ITF - M15 Monastir | 2021/02/21 10:00 | Yunis, Facundo v Jip Van Assendelft | 6-2,6-4 |
| ITF - M15 Monastir | 2021/02/07 13:30 | Jip Van Assendelft v Faivre, Pierre | 5-7,2-6 |
| ITF - M15 Monastir | 2021/02/01 08:30 | Valentin Lapalu v Jip Van Assendelft | 0-6,6-4,10-3 |
| ITF - M15 Monastir | 2021/01/31 11:00 | Jip Van Assendelft v Affes, Mhamed | 6-0,6-3 |