Stadium: Center Court Round: 25 Ground: Clay
| ITF Germany F1 | 2016/01/13 12:25 | Florian Fallert v Johannes Haerteis | 4-6,4-6 |
| ITF Switzerland F2 | 2015/03/19 12:00 | Florian Fallert v Johannes Haerteis | 6-3,6-4 |
| ITF Italy F15 | 2018/06/17 10:10 | Florian Fallert v Riccardo Roberto | 6-7,1-6 |
| ITF Turkey F20 | 2018/05/24 07:30 | Pierre Faivre v Florian Fallert | 6-1,7-5 |
| ITF Turkey F20 | 2018/05/23 07:30 | Florian Fallert v Antonio Massara | 6-4,6-7,6-4 |
| ITF Turkey F19 | 2018/05/17 09:40 | Florian Fallert v Alexander Boborykin | 2-6,3-6 |
| ITF Turkey F19 | 2018/05/16 07:00 | Florian Fallert v Dan Alexandru Tomescu | 6-3,6-3 |
| ITF Italy F9 | 2018/04/24 12:00 | Florian Fallert v Juan Pablo Ficovich | 1-6,6-2,1-6 |
| ITF Italy F9 | 2018/04/22 14:10 | Florian Fallert v Federico Maccari | 6-3,6-2 |
| ITF Italy F8 | 2018/04/17 12:00 | Florian Fallert v Antoine Bellier | 6-4,4-6,4-6 |
| ITF Austria F2 | 2018/07/09 12:00 | Johannes Haerteis v Jonathan Stenberg | 6-1,7-5 |
| Challenger Marburg Qual | 2018/06/30 12:40 | Johannes Haerteis v Daniel Masur | 4-6,4-6 |
| Challenger L'Aquila | 2018/06/19 10:00 | Johannes Haerteis v Riccardo Balzerani | 6-4,2-6,4-6 |
| Challenger L'Aquila Qual | 2018/06/18 09:55 | Zhizhen Zhang v Johannes Haerteis | 5-7,6-7 |
| Challenger L'Aquila Qual | 2018/06/17 13:30 | Johannes Haerteis v Liam Caruana | 7-6,6-0 |
| Challenger L'Aquila Qual | 2018/06/16 14:25 | Johannes Haerteis v Jordan Correia | 1-6,7-6,7-6 |
| ITF Italy F14 | 2018/06/13 14:20 | Riccardo Bellotti v Johannes Haerteis | 6-3,6-2 |
| ITF Italy F14 | 2018/06/12 18:25 | Lorenzo Frigerio v Johannes Haerteis | 7-5,2-6,4-6 |