| 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 |
| Davise karikas | 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 |
| Davise karikas | 2017/04/05 09:00 | Timo Kranz v Arber Sulstarova | 6-3,6-2 |
| Davise karikas | 2015/07/15 09:00 | Aleksandre Metreveli v Arber Sulstarova | 6-0,6-0 |