Stadium: Center Court Round: 14 Ground: Hardcourt outdoor
| ITF M25 Jonkoping | 2021/09/20 10:45 | Filip Bergevi v Johannes Haerteis | 6-4,7-6 |
| ITF M25 Plaisir | 2021/09/15 11:45 | Johannes Haerteis v Leny Mitjana | 4-6,6-7 |
| Challenger Tulln | 2021/09/06 13:00 | Johannes Haerteis v Filip Horansky | 6-4,4-6,3-6 |
| Challenger Mallorca | 2021/09/01 18:40 | Johannes Haerteis v Lukas Lacko | 2-6,3-6 |
| Challenger Mallorca | 2021/08/31 08:00 | Nicolas Moreno De Alboran v Johannes Haerteis | 3-6,6-4,4-6 |
| Challenger Mallorca | 2021/08/30 08:00 | Sergio Martos Gornes v Johannes Haerteis | 1-6,1-6 |
| Challenger Prague | 2021/08/24 10:15 | Johannes Haerteis v Alex Rybakov | 4-6,2-6 |
| Challenger Luedenscheid | 2021/08/15 09:30 | Bogdan Bobrov v Johannes Haerteis | 1-6,6-4,6-3 |
| Challenger Charlottesville Qual | 2017/10/29 19:25 | Jared Hiltzik v Ammar Faleh Alhogbani | 1-6,6-1,6-3 |
| Davis Cup | 2017/04/05 08:10 | Ammar Faleh Alhogbani v Evgeniy Babak | 6-2,4-6,6-4 |
| Davis Cup | 2017/04/03 09:10 | Yusuf Qaed v Ammar Faleh Alhogbani | 0-6,2-6 |
| Challenger Charlottesville Qual | 2016/10/29 16:00 | Ammar Faleh Alhogbani v Jarryd Chaplin | 6-7,4-6 |