Stadium: Stadium Round: 29 Ground: Hardcourt outdoor
| Challenger Ludwigshafen | 2019/07/01 14:45 | Daniel Altmaier v Jan Choinski | 6-4,7-6 |
| ITF Germany F1 | 2015/01/06 09:00 | Daniel Altmaier v Jan Choinski | 5-7,6-7 |
| Challenger Augsburg | 2019/08/05 09:00 | Jan Choinski v Renzo Olivo | 4-6,4-6 |
| Challenger Sopot | 2019/08/02 13:05 | Filip Horansky v Jan Choinski | 6-1,6-0 |
| Challenger Sopot | 2019/08/01 14:10 | Jan Choinski v Jeremy Jahn | 6-3,6-7,6-4 |
| Challenger Sopot | 2019/07/31 13:40 | Jan Choinski v Tomislav Brkic | 3-6,6-4,6-3 |
| Challenger Prague | 2019/07/24 15:35 | Nikola Milojevic v Jan Choinski | 6-3,6-0 |
| Challenger Prague | 2019/07/22 10:30 | Jan Choinski v Aldin Setkic | 6-3,6-7,6-2 |
| Challenger Amersfoort | 2019/07/18 10:20 | Jan Choinski v Kimmer Coppejans | 6-7,4-6 |
| Challenger Amersfoort | 2019/07/16 16:35 | Thiemo De Bakker v Jan Choinski | 2-6,7-5,2-6 |
| Challenger Augsburg | 2019/08/09 13:20 | Facundo Mena v Daniel Altmaier | 6-4,7-6 |
| Challenger Augsburg | 2019/08/08 12:30 | Daniel Altmaier v Filippo Baldi | 7-6,6-3 |
| Challenger Augsburg | 2019/08/07 11:00 | Lucas Miedler v Daniel Altmaier | 3-6,3-6 |
| Challenger Augsburg | 2019/08/06 10:25 | Mukund Sasikumar v Daniel Altmaier | 6-4,1-6,6-7 |
| ATP Hamburg | 2019/07/22 09:30 | Daniel Altmaier v Martin Klizan | 2-6,2-6 |
| ATP Umag | 2019/07/15 14:00 | Peter Torebko v Daniel Altmaier | 6-3,7-5 |
| ATP Umag | 2019/07/14 09:45 | Daniel Altmaier v Carlos Berlocq | 6-2,6-4 |
| Challenger Braunschweig | 2019/07/10 15:15 | Casper Ruud v Daniel Altmaier | 6-3,7-5 |