Round: 26 Ground: Hardcourt outdoor
| ITF USA F8 | 2017/02/21 16:00 | Jan Choinski v Corentin Denolly | 2-6,7-6,5-7 |
| ITF Germany F3 | 2017/01/27 13:30 | Alexey Vatutin v Jan Choinski | 6-0,6-3 |
| ITF Germany F3 | 2017/01/26 14:50 | Jan Choinski v Laurynas Grigelis | 6-4,7-5 |
| ITF Germany F3 | 2017/01/25 16:00 | Elmar Ejupovic v Jan Choinski | 3-6,3-6 |
| Challenger Koblenz | 2017/01/17 19:00 | Jan Choinski v Daniel Brands | 3-6,5-7 |
| ITF Germany F1 | 2017/01/13 12:00 | Evgeny Karlovskiy v Jan Choinski | 7-5,6-2 |
| ITF Germany F1 | 2017/01/12 13:20 | Jan Choinski v Patrik Rosenholm | 6-2,6-3 |
| ITF Germany F1 | 2017/01/11 11:00 | Jan Choinski v Pirmin Haenle | 6-1,6-2 |
| Challenger Tempe | 2017/02/13 21:50 | Bradley Klahn v Stefan Kozlov | 1-6,5-7 |
| Challenger San Francisco | 2017/02/08 01:15 | Frances Tiafoe v Bradley Klahn | 6-4,6-4 |
| Challenger Maui | 2017/01/26 20:00 | Bradley Klahn v Tennys Sandgren | 6-3,3-6,6-7 |
| Challenger Maui | 2017/01/24 20:00 | Tatsuma Ito v Bradley Klahn | 7-5,3-6,3-6 |
| Australian Open 2017 Qual | 2017/01/11 01:45 | Bradley Klahn v Thomas Fabbiano | 4-6,7-6,3-6 |
| Challenger Columbus 2 Qual | 2016/11/20 18:45 | Luke Bambridge v Bradley Klahn | 6-4,7-6 |
| Challenger Columbus 2 Qual | 2016/11/19 18:00 | Jonathan Ho v Bradley Klahn | 2-6,2-6 |
| Challenger Champaign | 2016/11/17 18:00 | Jared Donaldson v Bradley Klahn | 6-4,6-4 |