[219] Daniel Altmaier 4-0,4-0 Johannes Haerteis [342] 2020-01-12 20:50
Round: 44
Home History
| Challenger Ann Arbor | 2020/01/11 20:45 | Daniel Altmaier v Ulises Blanch | 3-6,4-6 |
| Challenger Ann Arbor | 2020/01/10 21:35 | Daniel Altmaier v Edan Leshem | 7-6,7-5 |
| Challenger Ann Arbor | 2020/01/09 23:45 | Aleksandar Kovacevic v Daniel Altmaier | 7-5,6-7,3-6 |
| Challenger Ann Arbor | 2020/01/08 15:00 | Alen Avidzba v Daniel Altmaier | 4-6,7-6,3-6 |
| ITF M15 Santo Domingo | 2019/12/01 14:00 | Jan Choinski v Daniel Altmaier | 3-6,6-4,4-6 |
| ITF M15 Santo Domingo | 2019/11/30 13:55 | Nick Hardt v Daniel Altmaier | 3-6,4-6 |
| ITF M15 Santo Domingo | 2019/11/29 14:00 | Ricardo Rodriguez-Pace v Daniel Altmaier | 4-6,2-6 |
| ITF M15 Santo Domingo | 2019/11/28 16:35 | Daniel Rodrigues v Daniel Altmaier | 4-6,3-6 |
Away History
| ITF M15 Prague | 2019/11/06 14:40 | Oleksii Krutykh v Johannes Haerteis | 4-6,7-6,6-2 |
| Challenger Eckental | 2019/10/29 09:00 | John-Patrick Smith v Johannes Haerteis | 7-6,6-7,7-6 |
| Challenger Hamburg | 2019/10/22 08:00 | Cem Ilkel v Johannes Haerteis | 7-5,6-1 |
| Challenger Ismaning | 2019/10/17 11:00 | Zdenek Kolar v Johannes Haerteis | 6-7,6-7 |
| Challenger Ismaning | 2019/10/16 11:50 | Johannes Haerteis v Robin Haase | 6-4,6-7,7-6 |
| Challenger Ismaning | 2019/10/14 15:10 | Johannes Haerteis v Maximilian Neuchrist | 6-4,6-4 |
| Challenger Nur-Sultan 2 | 2019/10/01 04:00 | Fabien Reboul v Johannes Haerteis | 6-4,6-7,6-3 |
| Challenger Glasgow | 2019/09/18 15:05 | Johannes Haerteis v Tobias Kamke | 3-6,4-6 |