| ITF USA F40 Qual | 2016/12/04 17:30 | Dragos Constantin Ignat v Alex Knaff | 6-2,6-7,6-2 |
| ITF USA F37 | 2016/11/13 18:00 | Strahinja Rakic v Alex Knaff | 6-3,6-4 |
| ITF USA F37 | 2016/11/12 19:00 | Alexandre Rotsaert v Alex Knaff | 3-6,4-6 |
| ITF USA F35 | 2016/10/28 22:00 | Mitchell Harper v Alex Knaff | 6-2,2-6,2-6 |
| ITF Slovakia F3 | 2016/08/07 07:30 | Piotr Matuszewski v Alex Knaff | 6-4,6-3 |
| ITF Slovakia F2 | 2016/07/31 06:30 | Petr Nouza v Alex Knaff | 7-5,6-2 |
| Davis Cup | 2016/07/15 14:00 | Alex Knaff v Casper Ruud | 2-6,4-6,4-6 |
| ITF Germany F6 | 2016/07/03 08:00 | Raphael Calzi v Alex Knaff | 6-4,6-3 |
| ITF USA F9 | 2017/03/02 18:20 | Jan Choinski v Tommy Paul | 6-1,1-6,6-7 |
| ITF USA F9 | 2017/02/28 17:30 | Jan Choinski v Daniel Nolan | 6-2,6-3 |
| 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 |